CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Allowances for doubtful accounts receivable (in Dollars)	$ 2,001	$ 1,743
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	7,500,000	7,500,000
Common stock, shares issued	2,746,958	2,746,958
Common stock, shares outstanding	2,717,691	2,717,691
Treasury stock, shares	29,267	29,267
Short Term Debt and Current Maturities of Long Term Debt [Member]
Debt discount (in Dollars)	$ 799	$ 820
Long-term Debt [Member]
Debt discount (in Dollars)	$ 3,152	$ 3,748