Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.5.0.2
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 298,000 $ 250,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 2,000,000 1,000,000
Preferred stock, shares issued 231,616 231,616
Preferred stock, shares outstanding 231,616 231,616
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 19,000,000 19,000,000
Common stock, shares, issued 10,734,518 10,345,351
Common stock, shares, outstanding 9,988,615 10,244,013
Treasury stock, shares 745,903 101,338