Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.2
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 490,000 $ 256,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 7,000,000 7,000,000
Preferred stock, shares issued 4,360,998 2,539,325
Preferred stock, shares outstanding 4,360,998 2,539,325
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 29,000,000 29,000,000
Common stock, shares issued 13,195,490 12,978,485
Common stock, shares outstanding 12,454,691 12,237,686
Treasury stock, shares 740,799 740,799