Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Debt (Details Textual)

v3.19.1
Note 7 - Debt (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Feb. 05, 2019
Dec. 31, 2018
Long-term Debt, Total $ 32,856     $ 33,745
Equipment Line [Member]        
Long-term Debt, Total 2,562     $ 2,562
Credit Facility [Member] | Term Loan [Member]        
Long-term Debt, Total $ 30,400      
Credit Facility [Member] | Eurodollar Loan [Member]        
Debt Instrument, Interest Rate, Effective Percentage 5.25%      
LIBOR Rate 2.50%      
Credit Facility [Member] | Eurodollar Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument, Basis Spread on Variable Rate 2.75%      
Credit Facility [Member] | CB Floating Rate Loan [Member]        
Debt Instrument, Interest Rate, Effective Percentage 5.50%      
Lender Prime Rate 5.50%      
Credit Facility [Member] | CB Floating Rate Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument, Basis Spread on Variable Rate, Before Margin Rate 2.50%      
Credit Facility [Member] | Maximum [Member] | Eurodollar Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument, Basis Spread on Variable Rate 3.00%      
Credit Facility [Member] | Maximum [Member] | CB Floating Rate Loan [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member]        
Debt Instrument, Basis Spread on Variable Rate 0.25%      
Credit Facility [Member] | Minimum [Member] | Eurodollar Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument, Basis Spread on Variable Rate 2.00%      
Credit Facility [Member] | Minimum [Member] | CB Floating Rate Loan [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member]        
Debt Instrument, Basis Spread on Variable Rate (1.00%)      
Credit Facility [Member] | Equipment Line [Member]        
Line of Credit Facility, Maximum Borrowing Capacity     $ 8,000  
Long-term Line of Credit, Total $ 2,600      
Credit Facility [Member] | Equipment Line [Member] | Maximum [Member] | Forecast [Member]        
Capital Expenditures Incurred but Not yet Paid   $ 7,000