Note 19 - Subsequent Events (Details Textual) - USD ($) $ in Thousands |
Apr. 20, 2020 |
Mar. 16, 2020 |
Feb. 29, 2020 |
Feb. 28, 2019 |
|---|---|---|---|---|
| Line of Credit Facility, Maximum Borrowing Capacity | $ 5,000 | |||
| Wells Fargo Bank Loan [Member] | ||||
| Debt Instrument, Interest Rate, Stated Percentage | 3.75% | |||
| Subsequent Event [Member] | ||||
| Long-term Line of Credit, Total | $ 3,400 | |||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 5,000 | |||
| Percentage of Eligible Accounts Receivable | 50.00% | |||
| Percentage of Eligible Inventories | 50.00% | |||
| Proceeds From Paycheck Protection Program Under CARES Act | $ 1,500 | |||
| Subsequent Event [Member] | Line of Credit [Member] | London Interbank Offered Rate (LIBOR) [Member] | ||||
| Debt Instrument, Basis Spread on Variable Rate | 2.25% | |||
| Subsequent Event [Member] | Line of Credit [Member] | Wells Fargo Bank Loan [Member] | ||||
| Debt Instrument, Interest Rate, Stated Percentage | 3.06% |