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Note 11 - Fair Values of Financial Instruments
3 Months Ended
Mar. 31, 2017
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
11.
FAIR VALUES OF FINANCIAL INSTRUMENTS      
 
Cash and cash equivalents, accounts receivable, due from/to factor, accounts payable and accrued liabilities are carried at, or approximate, fair value because of their short-term nature.