Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.3
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 265,000 $ 189,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 7,000,000 4,000,000
Preferred stock, shares issued 2,307,633 2,136,289
Preferred stock, shares outstanding 2,307,633 2,136,289
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 29,000,000 19,000,000
Common stock, shares issued 12,953,122 12,570,557
Common stock, shares outstanding 12,212,323 11,829,758
Treasury stock, shares 740,799 740,799