Annual report pursuant to Section 13 and 15(d)

Note 7 - Debt (Details Textual)

v3.20.1
Note 7 - Debt (Details Textual)
$ in Thousands, shares in Millions
 12 Months Ended
Nov. 07, 2019
USD ($)
Apr. 15, 2019
USD ($)
Jul. 31, 2018
USD ($)
shares
Jul. 30, 2018
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Feb. 05, 2019
USD ($)
Stock Repurchase Agreement, Shares to be Repurchased | shares     2.8            
Long-term Debt, Total         $ 38,377 $ 33,745      
Capital Expenditures Incurred but Not yet Paid [1]         2,773 998      
Equipment Line [Member]                  
Long-term Debt, Total         7,600 2,562      
Revolving Credit Facility [Member]                  
Line of Credit Facility, Current Borrowing Capacity         11,750 9,973      
Term Loan C [Member]                  
Long-term Debt, Total [2]         7,986      
Credit Facility [Member]                  
Fixed Charge Coverage Ratio     1.15 1.25          
Credit Facility [Member] | Equipment Line [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity     $ 6,400           $ 8,000
Line of Credit Facility Additional Maximum Borrowing Capacity $ 10,000                
Line of Credit Facility, Invoiced Hard Cost Maximum Percent 90.00%                
Line of Credit Facility, Maximum One-time Charges $ 300                
Line of Credit Facility, Maximum Lease Buyout Expenses           100   $ 200  
Debt Instrument, Periodic Payment, Principal 1,200                
Credit Facility [Member] | Equipment Line [Member] | Forecast [Member]                  
Line of Credit Facility, Maximum Lease Buyout Expenses             $ 200    
Credit Facility [Member] | Equipment Line [Member] | Maximum [Member]                  
Capital Expenditures Incurred but Not yet Paid         $ 7,000        
Credit Facility [Member] | Revolving Credit Facility [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity $ 11,800                
Credit Facility [Member] | Term Loan C [Member]                  
Long-term Debt, Total     $ 8,600            
Credit Facility [Member] | Eurodollar Loan [Member]                  
Debt Instrument, Interest Rate, Effective Percentage         4.25%        
LIBOR Rate         1.75%        
Credit Facility [Member] | Eurodollar Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate         2.50%        
Credit Facility [Member] | Eurodollar Loan [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate         3.00%        
Credit Facility [Member] | Eurodollar Loan [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate         2.00%        
Credit Facility [Member] | CB Floating Rate Loan [Member]                  
Debt Instrument, Interest Rate, Effective Percentage         4.25%        
Lender Prime Rate         5.50%        
Credit Facility [Member] | CB Floating Rate Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate, Before Margin Rate         2.50%        
Credit Facility [Member] | CB Floating Rate Loan [Member] | CB Floating Rate [Member]                  
Debt Instrument, Basis Spread on Variable Rate         (0.50%)        
Credit Facility [Member] | CB Floating Rate Loan [Member] | Maximum [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member]                  
Debt Instrument, Basis Spread on Variable Rate         0.25%        
Credit Facility [Member] | CB Floating Rate Loan [Member] | Minimum [Member] | Greater of Prime Rate or LIBOR Plus 2.5% [Member]                  
Debt Instrument, Basis Spread on Variable Rate         (1.00%)        
Financing Agreement [Member]                  
Long-term Debt, Total         $ 1,599      
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         $ 1,600        
[1] Amounts consist of current liabilities for medical equipment that have not been included in investing activities. These amounts have not been paid for as of December 31, 2019 and 2018, respectively, but will be included as a cash outflow from investing activities for purchases of medical equipment and property when paid.
[2] Pursuant to the Sixth Amendment to the Credit Agreement, entered into on November 7, 2019, Term Loan C was consolidated into Term Loan A.