Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.2
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Accounts receivable, allowance doubtful accounts $ 135,240 $ 126,216
Series B convertible redeemable preferred stock, par value $ 0.01 $ 0.01
Series B convertible redeemable preferred stock, shares authorized 902,670 902,670
Series B convertible redeemable preferred stock, shares issued 902,670 902,670
Series B convertible redeemable preferred stock, shares outstanding 902,670 902,670
Liquidation preference $ 10,556,054
Preferred stock, shares authorized 11,000,000 11,000,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 80,000,000 80,000,000
Common stock, shares issued 60,321,615 60,321,615
Common stock, shares outstanding 60,271,082 60,271,082
Treasury stock, shares 50,533 50,533
Series A Convertible Preferred Stock [Member]    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 10,097,330 10,097,330
Preferred stock, shares issued
Related Party [Member]    
Accounts receivable, allowance doubtful accounts $ 514,087 $ 514,087