Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.19.3
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Parent [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2017 13,600,338   14,084        
Balance at Dec. 31, 2017 $ 13,600 $ 37,229,869 $ (86,045) $ (37,531,345) $ (373,921) $ 100 $ (373,821)
Stock-based compensation expense 469,405 469,405 469,405
Issuance of vested restricted stock (in shares) 61,114          
Issuance of vested restricted stock $ 62 (62)
Exercise of stock options (in shares) 86,640          
Exercise of stock options $ 87 298,165 298,252 298,252
Purchases of treasury stock under employee stock plans (in shares)   586        
Purchases of treasury stock under employee stock plans $ (4,811) (4,811) (4,811)
Net income (loss) (289,996) (289,996) (289,996)
Balance (in shares) at Sep. 30, 2018 13,748,092   14,670        
Balance at Sep. 30, 2018 $ 13,749 37,997,377 $ (90,856) (37,821,341) 98,929 100 99,029
Balance (in shares) at Dec. 31, 2017 13,600,338   14,084        
Balance at Dec. 31, 2017 $ 13,600 37,229,869 $ (86,045) (37,531,345) (373,921) 100 (373,821)
Balance (in shares) at Dec. 31, 2018 13,757,200   14,670        
Balance at Dec. 31, 2018 $ 13,757 38,189,251 $ (90,856) (37,384,651) 727,501 100 727,601
Stock-based compensation expense 536,744 536,744 536,744
Issuance of vested restricted stock (in shares) 38,289          
Issuance of vested restricted stock $ 38 (38)
Exercise of stock options (in shares) 99,132          
Exercise of stock options $ 100 527,660 527,760 527,760
Purchases of treasury stock under employee stock plans (in shares)   1,092        
Purchases of treasury stock under employee stock plans $ (20,184) (20,184) (20,184)
Net income (loss) 2,031,887 2,031,887 2,031,887
Balance (in shares) at Sep. 30, 2019 13,894,621   15,762        
Balance at Sep. 30, 2019 $ 13,895 $ 39,253,617 $ (111,040) $ (35,352,764) $ 3,803,708 $ 100 $ 3,803,808