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 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenues, Total $ 25,999 $ 19,723 $ 47,552 $ 37,916
Direct Payer Rentals [Member]        
Revenues, Total 7,940 6,506 14,800 12,827
ITS Segment [Member] | Direct Payer Rentals [Member]        
Revenues, Total 2,800 2,600 5,700 5,200
DME Services Segment [Member] | Direct Payer Rentals [Member]        
Revenues, Total $ 5,100 $ 3,900 $ 9,100 $ 7,600