Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue Recognition - Disaggregated Revenue by Revenue Stream (Details)

v3.20.1
Note 3 - Revenue Recognition - Disaggregated Revenue by Revenue Stream (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenues, Total $ 21,553 $ 18,193
Customer Concentration Risk [Member] | Third-Party Payor Rental Revenue [Member]    
Revenue 52.10% 48.10%
Customer Concentration Risk [Member] | Direct Payer Rentals [Member]    
Revenue 31.80% 34.70%
Customer Concentration Risk [Member] | Revenue, Product and Service Benchmark [Member]    
Revenue 16.10% 17.20%
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member]    
Revenue 100.00% 100.00%
Third-Party Payor Rental Revenue [Member]    
Revenues, Total $ 11,236 $ 8,747
Direct Payer Rentals [Member]    
Revenues, Total 6,859 6,321
Product Sales [Member]    
Revenues, Total $ 3,458 $ 3,125