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

Annual report pursuant to section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Oct. 31, 2013	Dec. 31, 2013 Payor Segment Financial_Institutions	Dec. 31, 2012
Summary Of Significant Accounting Policies [Line Items]
Number of operating business segments		1
Liquid Investments with original maturities period		Three months or less
Maintenance of cash and cash equivalents with number of financial institutions		2
Estimated obsolete inventory		$ 0.2	$ 0.2
Medical equipment in rental services useful life		5 years
Medical equipment held for sale or rental reserves		0.1	0.1
Impairment of indefinite-lived assets	0
Number of payors having greater than 7% of the Company's revenue		0
Maximum Percentage of revenue of specified payors		7.00%
Percentage of tax benefits greater than likelihood		50.00%
Unvested restricted shares with anti-dilutive effect		1.4	0.3
Restricted Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Unvested restricted shares with anti-dilutive effect			0.2
Interest Rate Swap [Member]
Summary Of Significant Accounting Policies [Line Items]
Company's new debt agreement			0.2
Interest rate swaps		$ 0	$ 0
Medicare [Member]
Summary Of Significant Accounting Policies [Line Items]
Gross billings for ambulatory infusion pump services		31.00%	31.00%
Blue Cross/Blue Shield affiliates [Member]
Summary Of Significant Accounting Policies [Line Items]
Gross billings for ambulatory infusion pump services		17.00%	18.00%
Physician and Customer Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life Period		15 years
Noncompete Agreements [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life Period		5 years
Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life Period		3 years
Computers Equipment and Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives		3 years
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives		3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives		7 years