Share-based Compensation (Tables)
|
12 Months Ended |
Dec. 31, 2016 |
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
Summary of Restricted Share Activity, Excluding Company's Employee Stock Purchase Plan |
The following
table summarizes restricted share activity, excluding the
Company’s employee stock purchase plan, for the years ended
December 31:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of
shares |
|
|
Weighted
average
grant
date fair
value |
|
|
Aggregate
fair value |
|
Unvested at
December 31, 2014
|
|
|
256,003 |
|
|
$ |
1.78 |
|
|
|
|
|
Granted
|
|
|
61,663 |
|
|
|
2.60 |
|
|
|
|
|
Vested
|
|
|
(83,029 |
) |
|
|
1.53 |
|
|
$ |
244,319 |
|
Vested shares forgone to
satisfy minimum statutory withholding
|
|
|
(24,031 |
) |
|
|
2.96 |
|
|
$ |
71,445 |
|
Forfeitures
|
|
|
(39,774 |
) |
|
|
1.79 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Unvested at
December 31, 2015
|
|
|
170,832 |
|
|
|
2.09 |
|
|
|
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
|
|
Vested
|
|
|
(64,182 |
) |
|
|
1.74 |
|
|
$ |
236,161 |
|
Vested shares forgone to
satisfy minimum statutory withholding
|
|
|
(16,484 |
) |
|
|
2.81 |
|
|
$ |
49,592 |
|
Forfeitures
|
|
|
(32,833 |
) |
|
|
2.18 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Unvested at
December 31, 2016
|
|
|
57,333 |
|
|
$ |
2.21 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Summary of Activity Relating to Company's ESPP Program |
The following
table summarizes the activity relating to the Company’s ESPP
program for the years ended December 31:
|
|
|
|
|
|
|
|
|
|
|
2016 |
|
|
2015 |
|
Compensation
expense
|
|
$ |
113,531 |
|
|
$ |
40,233 |
|
Shares of stock sold to
employees
|
|
|
88,109 |
|
|
|
98,070 |
|
Weighted average fair value
per ESPP award
|
|
$ |
2.73 |
|
|
$ |
2.73 |
|
|
Summary of Stock Option and Inducement Stock Option Activity |
The following
table details the various stock option and inducement stock option
activity for the years ended December 31:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2007 Plan
(Options)
|
|
Number of
Authorized
Shares |
|
|
Weighted-
Average
Exercise
Price |
|
|
Weighted-
Average
Remaining
Contractual
Term (in Years) |
|
|
Aggregate
Intrinsic
Value |
|
Outstanding at
December 31, 2014
|
|
|
595,000 |
|
|
$ |
2.19 |
|
|
|
1.51 |
|
|
$ |
571,717 |
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
Exercised
|
|
|
(52,030 |
) |
|
|
1.64 |
|
|
|
|
|
|
|
140,368 |
|
Exercised shares forgone to
satisfy minimum statutory withholding
|
|
|
(7,688 |
) |
|
|
1.76 |
|
|
|
|
|
|
|
|
|
Cashless
exercise
|
|
|
(41,950 |
) |
|
|
1.70 |
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
(5,000 |
) |
|
|
1.93 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2015
|
|
|
488,332 |
|
|
$ |
2.31 |
|
|
|
0.41 |
|
|
$ |
348,415 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
Exercised
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
— |
|
Exercised shares forgone to
satisfy minimum statutory withholding
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
Cashless
exercise
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
488,332 |
|
|
$ |
2.31 |
|
|
|
0.25 |
|
|
$ |
118,899 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable at
December 31, 2016
|
|
|
483,332 |
|
|
$ |
2.29 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aggregate Intrinsic Value =
Excess of market value over the option exercise price of all
in-the-money stock options.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014 Plan
(Options)
|
|
Number
of Authorized
Shares |
|
|
Weighted-
Average Exercise
Price |
|
|
Weighted-
Average
Remaining
Contractual
Term (in
Years) |
|
|
Aggregate
Intrinsic
Value |
|
Outstanding at
December 31, 2014
|
|
|
530,000 |
|
|
$ |
2.69 |
|
|
|
5.00 |
|
|
$ |
243,800 |
|
Granted
|
|
|
470,000 |
|
|
$ |
2.90 |
|
|
|
3.25 |
|
|
$ |
— |
|
Exercised
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercised shares forgone to
satisfy minimum statutory withholding
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
(30,000 |
) |
|
|
2.69 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2015
|
|
|
970,000 |
|
|
$ |
2.79 |
|
|
|
3.58 |
|
|
$ |
222,200 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable at
December 31, 2015
|
|
|
410,903 |
|
|
$ |
2.85 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
600,000 |
|
|
|
2.76 |
|
|
|
4.60 |
|
|
|
|
|
Exercised
|
|
|
(1,866 |
) |
|
|
2.69 |
|
|
|
|
|
|
|
|
|
Exercised shares forgone to
satisfy minimum statutory withholding
|
|
|
(798 |
) |
|
|
2.69 |
|
|
|
|
|
|
|
|
|
Cashless
exercise
|
|
|
(12,614 |
) |
|
|
2.69 |
|
|
|
|
|
|
|
|
|
Forfeited
|
|
|
(304,723 |
) |
|
|
2.70 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
1,249,999 |
|
|
$ |
2.80 |
|
|
|
4.26 |
|
|
$ |
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable at
December 31, 2016
|
|
|
616,597 |
|
|
$ |
2.87 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aggregate Intrinsic Value =
Excess of market value over the option exercise price of all
in-the-money stock options.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Inducement
Options
|
|
Number of
Authorized
Shares |
|
|
Weighted-
Average Exercise
Price |
|
|
Weighted-
Average
Remaining
Contractual
Term (in Years) |
|
|
Aggregate
Intrinsic
Value |
|
Outstanding at
December 31, 2014
|
|
|
800,000 |
|
|
$ |
2.25 |
|
|
|
3.89 |
|
|
$ |
720,000 |
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
Exercised
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
Forfeited
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2015
|
|
|
800,000 |
|
|
$ |
2.25 |
|
|
|
2.90 |
|
|
$ |
616,000 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
Exercised
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
Forfeited
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
800,000 |
|
|
$ |
2.25 |
|
|
|
2.26 |
|
|
$ |
240,000 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable at
December 31, 2016
|
|
|
756,250 |
|
|
$ |
2.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aggregate Intrinsic Value =
Excess of market value over the option exercise price of all
in-the-money stock options.
|
Schedule of Stock Options Outstanding |
The following
table summarizes information about stock options outstanding at
December 31, 2016:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2007 Plan
(Options):
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
Range of
Exercise Prices
|
|
Number of
Shares
Outstanding |
|
|
Weighted-
Average
Remaining
Contractual
Life |
|
|
Weighted-
Average
Exercise
Price |
|
|
Number of
Shares
Exercisable |
|
|
Weighted-
Average
Exercise
Price |
|
$1.50 - $1.75
|
|
|
110,000 |
|
|
|
— |
|
|
$ |
1.51 |
|
|
|
110,000 |
|
|
$ |
1.51 |
|
$1.76 - $2.00
|
|
|
91,666 |
|
|
|
— |
|
|
|
1.93 |
|
|
|
91,666 |
|
|
|
1.70 |
|
$2.01 - $3.00
|
|
|
286,666 |
|
|
|
0.25 |
|
|
|
2.71 |
|
|
|
281,666 |
|
|
|
2.71 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
488,332 |
|
|
|
0.25 |
|
|
$ |
2.31 |
|
|
|
483,332 |
|
|
$ |
2.29 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014 Plan
(Options):
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
Range of
Exercise Prices
|
|
Number of
Shares
Outstanding |
|
|
Weighted-
Average
Remaining
Contractual
Life |
|
|
Weighted-
Average
Exercise
Price |
|
|
Number of
Shares
Exercisable |
|
|
Weighted-
Average
Exercise
Price |
|
$2.01 - $3.00
|
|
|
1,249,999 |
|
|
|
4.26 |
|
|
$ |
2.80 |
|
|
|
616,597 |
|
|
$ |
2.87 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
1,249,999 |
|
|
|
4.26 |
|
|
$ |
2.80 |
|
|
|
616,597 |
|
|
$ |
2.87 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Inducement
Options:
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
Range of
Exercise Prices
|
|
Number of
Shares
Outstanding |
|
|
Weighted-
Average
Remaining
Contractual
Life |
|
|
Weighted-
Average
Exercise
Price |
|
|
Number of
Shares
Exercisable |
|
|
Weighted-
Average
Exercise
Price |
|
$1.50 - $1.75
|
|
|
400,000 |
|
|
|
2.26 |
|
|
$ |
1.75 |
|
|
|
381,250 |
|
|
$ |
1.75 |
|
$2.26 - $2.75
|
|
|
400,000 |
|
|
|
2.26 |
|
|
|
2.75 |
|
|
|
375,000 |
|
|
|
2.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at
December 31, 2016
|
|
|
800,000 |
|
|
|
2.26 |
|
|
$ |
2.25 |
|
|
|
756,250 |
|
|
$ |
2.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Schedule of Share-based Compensation Expense Based on Fair Value of Options |
The following is
the average fair value per share estimated on the date of grant and
the assumptions used for options granted during the years ended
December 31:
|
|
|
|
|
|
|
|
|
Stock
Options:
|
|
2016 |
|
|
2015 |
|
Expected
volatility
|
|
|
35% |
|
|
|
50% to 54% |
|
Risk free interest
rate
|
|
|
0.69% |
|
|
|
0.25% to 0.66% |
|
Expected lives at date of
grant (in years)
|
|
|
5.01 |
|
|
|
4.43 |
|
Weighted average fair value
of options granted
|
|
$ |
2.76 |
|
|
|
$ 2.90 |
|
|
Stock Based Compensation |
The following
table presents the total stock-based compensation expense, which is
included in selling, general and administrative expenses for the
years ended December 31 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
2016 |
|
|
2015 |
|
Restricted share
expense
|
|
$ |
151 |
|
|
$ |
107 |
|
Stock option
expense
|
|
|
311 |
|
|
|
889 |
|
|
|
|
|
|
|
|
|
|
Total stock-based
compensation expense
|
|
$ |
462 |
|
|
$ |
996 |
|
|
|
|
|
|
|
|
|
|
|