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
Mar. 31, 2020
Mar. 31, 2019
Revenues, Total $ 21,553 $ 18,193
Direct Payer Rentals [Member]    
Revenues, Total 6,859 6,321
ITS Segment [Member] | Direct Payer Rentals [Member]    
Revenues, Total 2,900 2,600
DME Services Segment [Member] | Direct Payer Rentals [Member]    
Revenues, Total $ 4,000 $ 3,700