Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Revenue Recognition (Details Textual)

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Note 4 - Revenue Recognition (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenues, Total $ 24,463 $ 21,553
Direct Payer Rentals [Member]    
Revenues, Total 8,086 6,859
Direct Payer Rentals [Member] | ITS Segment [Member]    
Revenues, Total 3,100 2,900
Direct Payer Rentals [Member] | DME Services Segment [Member]    
Revenues, Total $ 5,000 $ 4,000