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Note 8 - Accrued Liabilities | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 8 . Accrued Liabilities Accrued liabilities consisted of the following:
|  | December 31, |
|  | 2019 |  |  | 2018 |
Payroll expenses and tax payable |  | $ | 299,000 |  |  | $ | 269,000 |
Commission and bonuses payable and general accrued liabilities |  |  | 621,000 |  |  |  | 1,073,000 |
Total accrued liabilities |  | $ | 920,000 |  |  | $ | 1,342,000 |
Contract liabilities were $1,511,000 and $1,327,000 as of December 31, 2019 and 2018, respectively, which are netted against the related accounts receivable due to the legal right of offset.

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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