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

Income Taxes (Details Textual) (USD $)	12 Months Ended
Income Taxes (Details Textual) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes (Additional Textual) [Abstract]
Federal net operating losses used time period	20 years
Federal net operating losses used, expired	Begin to expire in 2028
Period at which cumulative loss incurred	3 years
Unrecognized tax benefits		$ 240,000	$ 247,000
Domestic Tax Authority [Member]
Income Taxes (Textual) [Abstract]
Federal and state operating loss carryforwards	16,400,000
Open period for income tax returns examination	3 years
State and Local Jurisdiction [Member]
Income Taxes (Textual) [Abstract]
Federal and state operating loss carryforwards	$ 10,800,000
Open period for income tax returns examination	4 years
Maximum [Member]
Income Taxes (Textual) [Abstract]
Operating loss carryforwards expiration period	20 years
Minimum [Member]
Income Taxes (Textual) [Abstract]
Operating loss carryforwards expiration period	5 years

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.