Annual report pursuant to Section 13 and 15(d)

Note 3 - Revenue Recognition (Details Textual)

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Note 3 - Revenue Recognition (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Revenues, Total $ 81,115 $ 67,138
Director Payer Rentals [Member]    
Revenues, Total 26,269 24,609
ITS Segment [Member] | Director Payer Rentals [Member]    
Revenues, Total 11,000 9,500
DME Services Segment [Member] | Director Payer Rentals [Member]    
Revenues, Total $ 15,300 $ 15,100