InfuSystem Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

Debt - Additional Information (Detail) (USD $)	3 Months Ended
Debt - Additional Information (Detail) (USD $)	Mar. 31, 2015	Mar. 23, 2015	Dec. 31, 2014
Line of Credit Facility [Line Items]
Credit facility, maturity date	Mar. 23, 2020
Eurodollar [Member]
Line of Credit Facility [Line Items]
Interest on the credit facility, description	Eurodollar Loan at a per annum rate equal to LIBOR plus a margin ranging from 2.00% to 2.50%
Maximum [Member] \| Eurodollar LIBOR Rate [Member]
Line of Credit Facility [Line Items]
Effective floating interest rate	2.50%
Minimum [Member] \| Eurodollar LIBOR Rate [Member]
Line of Credit Facility [Line Items]
Effective floating interest rate	2.00%
Term Loan A [Member]
Line of Credit Facility [Line Items]
Line of credit facility		$ 27,000,000
Current borrowings under credit facility		27,000,000
Term Loan B [Member]
Line of Credit Facility [Line Items]
Line of credit facility		8,000,000
Interest on the credit facility, description	Term Loan B was unfunded at closing and as of March 31, 2015 and is available for the Company to draw upon for a period of 180 days post-closing in respect of a Permitted Acquisition.
Line of credit facility, borrowings period	180 days
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility		10,000,000
Current borrowings under credit facility	1,000,000		566,000
CBFR Loans [Member]
Line of Credit Facility [Line Items]
Interest on the credit facility, description	CBFR Loans which bears interest at a per annum rate equal to (a) the Lender's prime rate or (b) LIBOR for a 30 day interest period plus 2.50%, in each case plus a margin ranging from -0.75% to -0.25%.
CBFR Loans [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Effective floating interest rate	2.50%
CBFR Loans [Member] \| Maximum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Effective floating interest rate	(0.75%)
CBFR Loans [Member] \| Minimum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Effective floating interest rate	(0.25%)
Credit Facility [Member]
Line of Credit Facility [Line Items]
Minimum fixed charge coverage ratio	1.25
Minimum net worth	37,500,000
Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Maximum leverage ratio	3.00
Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Maximum leverage ratio	2.25