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

Note 3 - Revenue Recognition - Disaggregated Revenue by Revenue Stream (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues, Total	$ 25,125	$ 21,489	$ 72,677	$ 59,405
Customer Concentration Risk [Member] \| Third-Party Payor Rental Revenue [Member]
Revenue	50.40%	49.60%	50.40%	49.10%
Customer Concentration Risk [Member] \| Direct Payer Rentals [Member]
Revenue	31.60%	30.80%	31.30%	32.70%
Customer Concentration Risk [Member] \| Revenue, Product and Service Benchmark [Member]
Revenue	18.00%	19.60%	18.30%	18.20%
Customer Concentration Risk [Member] \| Revenue from Contract with Customer Benchmark [Member]
Revenue	100.00%	100.00%	100.00%	100.00%
Third-Party Payor Rental Revenue [Member]
Revenues, Total	$ 12,672	$ 10,662	$ 36,660	$ 29,147
Direct Payer Rentals [Member]
Revenues, Total	7,933	6,617	22,733	19,444
Product Sales [Member]
Revenues, Total	$ 4,520	$ 4,210	$ 13,284	$ 10,814