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

Note 3 - Revenue Recognition - Disaggregated Revenue by Revenue Stream (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues, Total	$ 97,388	$ 81,115
Customer Concentration Risk [Member] \| Third-Party Payor Rental Revenue [Member]
Concentration Risk, Percentage	50.60%	49.90%
Customer Concentration Risk [Member] \| Direct Payer Rentals [Member]
Concentration Risk, Percentage	31.60%	32.40%
Customer Concentration Risk [Member] \| Revenue, Product and Service Benchmark [Member]
Concentration Risk, Percentage	17.80%	17.70%
Customer Concentration Risk [Member] \| Revenue from Contract with Customer Benchmark [Member]
Concentration Risk, Percentage	100.00%	100.00%
Third-Party Payor Rental Revenue [Member]
Revenues, Total	$ 49,266	$ 40,510
Direct Payer Rentals [Member]
Revenues, Total	30,765	26,269
Product Sales [Member]
Revenues, Total	$ 17,357	$ 14,336