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Note 8 - Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, |
|  | 2021 |  |  | 2020 |
Payroll expenses and tax payable |  | $ | 187,000 |  |  | $ | 123,000 |
Commission and bonuses payable and general accrued liabilities |  |  | 1,063,000 |  |  |  | 2,670,000 |
Total accrued liabilities |  | $ | 1,250,000 |  |  | $ | 2,793,000 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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