Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue Recognition (Details Textual)

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Note 3 - Revenue Recognition (Details Textual) - 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
Direct Payer Rentals [Member]        
Revenues, Total 7,933 6,617 22,733 19,444
ITS Segment [Member] | Direct Payer Rentals [Member]        
Revenues, Total 3,000 2,800 8,700 8,000
DME Services Segment [Member] | Direct Payer Rentals [Member]        
Revenues, Total $ 4,900 $ 3,800 $ 14,000 $ 11,400