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

Annual report pursuant to Section 13 and 15(d)

Note 6 - Debt (Details Textual)

Note 6 - Debt (Details Textual)			3 Months Ended				6 Months Ended	12 Months Ended
Note 6 - Debt (Details Textual)	Dec. 05, 2016 USD ($)	Mar. 23, 2015 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 28, 2017 USD ($)	Jun. 27, 2017 USD ($)	Mar. 22, 2017
Long-term Debt			$ 28,391,000					$ 28,391,000	$ 31,891,000
Proceeds from Issuance of Long-term Debt								28,866,000	66,892,000
Debt Instrument, Periodic Payment, Principal			577,500	$ 577,500			$ 577,500
Leverage Ratio						2.96
Debt Instrument, Periodic Payment			766,650	$ 766,650	$ 766,650	$ 766,650
Revolving Credit Facility [Member]
Long-term Line of Credit
The Chase Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate								2.75%
Debt Instrument, Basis Spread on Variable Rate, Before Margin Rate								2.50%
Debt Instrument, Interest Rate, Effective Percentage			4.32%					4.32%
Debt Instrument, Floor Rate								1.57%
The Chase Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate								2.00%
Applicable Margin Rate								(1.00%)
The Chase Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Applicable Margin Rate								0.25%
The Chase Credit Agreement [Member] \| Eurodollar [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate								3.00%
The Chase Credit Agreement [Member] \| JP Morgan Chase Bank [Member]
Debt Instrument, Maturity Date		Mar. 23, 2020
The Chase Credit Agreement [Member] \| JP Morgan Chase Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 10,000,000
First Amended Credit Agreement [Member]
Maximum Permitted Leverage Ratio, Period One	2.75
Maximum Permitted Leverage Ratio, Period Two	2.5
Maximum Permitted Leverage Ratio, Period Three	2.25
Second Amended Credit Agreement [Member]
Maximum Permitted Leverage Ratio, Period One												2.75
Maximum Permitted Leverage Ratio, Period Two												2.5
Maximum Permitted Leverage Ratio, Period Three												2.25
Third Amended Credit Agreement [Member]
Maximum Permitted Leverage Ratio, Period One			4					4
Maximum Permitted Leverage Ratio, Period Two			3.75					3.75
Maximum Permitted Leverage Ratio, Period Three			3.5					3.5
Debt Instrument, Face Amount										$ 2,500,000	$ 5,000,000
Long-term Line of Credit			$ 30,665,999.98					$ 30,665,999.98
Percentage of Excess Cash Flow for Prepayment of Debt, If Leverage Ratio is Greater Than or Equal To 2.5			75.00%					75.00%
Percentage of Excess Cash Flow for Prepayment of Debt, If Leverage Ratio is Less Than 2.5 But Greater Than or Equal To 2.0			50.00%					50.00%
Percentage of Excess Cash Flow for Prepayment of Debt, If Leverage Ratio is Less Than 2.0			0.00%					0.00%
Maximum Permitted Leverage Ratio, Period Four			3					3
Maximum Permitted Fixed Charges Coverage Ratio, Period One			1.15					1.15
Minimum Permitted Fixed Charges Coverage Ratio, Period Two			1.25					1.25
Debt Instrument, Interest Rate, Increase (Decrease)								0.50%
Third Amended Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Face Amount										5,000,000	10,000,000
Third Amended Credit Agreement [Member] \| JP Morgan Chase Bank [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Face Amount										$ 12,500,000	$ 25,000,000
Term Loan A [Member] \| The Chase Credit Agreement [Member] \| JP Morgan Chase Bank [Member]
Long-term Debt		27,000,000
Proceeds from Issuance of Long-term Debt		27,000,000
Term Loan B [Member] \| The Chase Credit Agreement [Member] \| JP Morgan Chase Bank [Member]
Long-term Debt		8,000,000
Proceeds from Issuance of Long-term Debt		$ 8,000,000
Term Loan [Member]
Long-term Debt			$ 28,511,000					$ 28,511,000	$ 32,000,000
Term Loan [Member] \| The Chase Credit Agreement [Member]
Long-term Debt	$ 32,000,000
Debt Agreement, Additional Amount Available	5,000,000
Debt Instrument, Periodic Payment, Principal	1,300,000
Term Loan [Member] \| First Amended Credit Agreement [Member]
Debt Instrument, Face Amount	$ 32,000,000