Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Debt (Details Textual)

v3.19.3
Note 7 - Debt (Details Textual) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Apr. 15, 2019
Sep. 30, 2019
Dec. 31, 2019
Feb. 05, 2019
Dec. 31, 2018
Long-term Debt, Total   $ 37,351     $ 33,745
Equipment Line [Member]          
Long-term Debt, Total   8,000     2,562
Financing Agreement [Member]          
Long-term Debt, Total   1,751    
Financing Agreement [Member] | Medical Equipment [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 2,000        
Debt Instrument, Term 3 years        
Line of Credit Facility, Current Borrowing Capacity   $ 1,800      
Credit Facility [Member] | Eurodollar Loan [Member]          
Debt Instrument, Interest Rate, Effective Percentage   4.81%      
LIBOR Rate   2.06%      
Credit Facility [Member] | CB Floating Rate Loan [Member]          
Debt Instrument, Interest Rate, Effective Percentage   5.00%      
Lender Prime Rate   5.00%      
Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Eurodollar Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate   2.75%      
Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | CB Floating Rate Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate, Before Margin Rate   2.50%      
Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Eurodollar Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate   3.00%      
Credit Facility [Member] | Maximum [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member] | CB Floating Rate Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate   0.25%      
Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Eurodollar Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate   2.00%      
Credit Facility [Member] | Minimum [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member] | CB Floating Rate Loan [Member]          
Debt Instrument, Basis Spread on Variable Rate   (1.00%)      
Credit Facility [Member] | Equipment Line [Member]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 8,000  
Long-term Debt, Total   $ 27,700      
Long-term Line of Credit, Total   $ 8,000      
Credit Facility [Member] | Equipment Line [Member] | Maximum [Member] | Forecast [Member]          
Capital Expenditures Incurred but Not yet Paid     $ 7,000