InfuSystem Holdings, Inc. Annual report pursuant to section 13 and 15(d)

Share-based Compensation - Schedule of Stock Options Outstanding (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
$1.50 - $1.75 [Member] \| 2007 Plan (Options) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, minimum	$ 1.50
Range of Exercise Prices, maximum	$ 1.75
$1.50 - $1.75 [Member] \| Inducement Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, minimum	$ 1.50
Range of Exercise Prices, maximum	$ 1.75
$1.76 - $2.00 [Member] \| 2007 Plan (Options) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, minimum	$ 1.76
Range of Exercise Prices, maximum	$ 2.00
$2.01 - 2.25 [Member] \| 2007 Plan (Options) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, minimum	$ 2.01
Range of Exercise Prices, maximum	$ 2.25
$2.26 - $2.75 [Member] \| Inducement Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, minimum	$ 2.26
Range of Exercise Prices, maximum	$ 2.75