XML 54 R41.htm IDEA: XBRL DOCUMENT v3.7.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings per share (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings per share      
Stock options excluded from calculation of diluted EPS 783,730   1,774,520
Net income (loss) $ (3,694,907) $ 4,314,318 $ (2,354,605)
Preferred dividend requirements (704,996) (709,351) (915,225)
Deemed capital contribution on extinguishment of preferred stock   2,305,678  
Income (loss) applicable to common shareholders $ (4,399,903) $ 5,910,645 $ (3,269,830)
Average common shares outstanding 29,354,437 27,822,593 27,375,450
Average common and common equivalent shares outstanding - assuming dilution 29,354,437 29,481,294 27,375,450
Basic earnings (loss) per share (in dollars per share) $ (0.15) $ 0.21 $ (0.12)
Diluted earnings (loss) per share (in dollars per share) $ (0.15) $ 0.20 $ (0.12)