XML 34 R24.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 1 - Significant Accounting Policies 1 (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Retained Earnings (Accumulated Deficit), Total $ (65,849,000)   $ (65,849,000)   $ (66,312,000)
Long-Term Debt, Current Maturities, Total 2,044,000   2,044,000   2,023,000
Accounts Receivable, Allowance for Credit Loss, Ending Balance 7,000   7,000   $ 7,000
Factoring Agreement, Gross Amount Factored 10,300,000 $ 4,500,000 25,600,000 $ 11,900,000  
Interest Expense [Member]          
Factoring Agreement, Finance Fees Paid $ 65,000 $ 22,000 $ 156,000 $ 58,000  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | US-based IT OEM Company [Member]          
Concentration Risk, Percentage     90.00%   51.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Us-based Data Center [Member]          
Concentration Risk, Percentage         29.00%