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Note 20 - Fair Values of Financial Instruments
9 Months Ended
Sep. 30, 2020
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
20.
FAIR VALUES OF FINANCIAL INSTRUMENTS
 
Cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities, note payable, and due from factor, are carried at, or approximate, fair value because of their short-term nature.  The carrying values of the convertible debt and operating lease obligation approximated their fair values as the interest rates approximated market.