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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) (UNAUDITED) - USD ($)
Common Stock [Member]
Common Stock [Member]
As Previously Reported [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
As Previously Reported [Member]
Retained Earnings (Accumulated Deficit) [Member]
Retained Earnings (Accumulated Deficit) [Member]
As Previously Reported [Member]
Retained Earnings (Accumulated Deficit) [Member]
Restatement Adjustments [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Loss [Member]
As Previously Reported [Member]
Total
As Previously Reported [Member]
Restatement Adjustments [Member]
Balance, beginning at Dec. 31, 2017 $ 8,864 $ 8,864 $ 53,770,617 $ 53,770,617 $ (67,049,783) $ 20,548,652 $ (87,598,435) $ (14,800) $ (14,800) $ (13,285,102) $ 74,313,333 $ (87,598,435)
Balance, beginning (in shares) at Dec. 31, 2017 8,864,319 8,864,319                    
Net loss         (1,442,907)         (1,442,907) 1,256,765 (2,699,672)
Change in unrealized loss from interest rate swap               (5,800)   (5,800)    
Common stock issued as employee compensation $ 5   (48,006)             (48,001)    
Common stock issued as employee compensation (in shares) 5,130                      
Stock based compensation expense $ 55   303,885             303,940    
Stock based compensation expense (in shares) 54,396                      
Balance, ending at Mar. 31, 2018 $ 8,924   54,026,496   (68,492,690)     $ (20,600)   (14,477,870)    
Balance, ending (in shares) at Mar. 31, 2018 8,923,845                      
Balance, beginning at Dec. 31, 2018 $ 11,718 $ 11,718 70,651,413 $ 70,651,413 (74,596,536) $ 22,760,215 $ (97,356,751)     $ (3,933,405) 93,423,346 (97,356,751)
Balance, beginning (in shares) at Dec. 31, 2018 11,718,246 11,718,246               11,718,246    
Net loss         (934,716)         $ (934,716) 1,658,598 $ (2,593,314)
Costs related to stock offering     (64,371)             (64,371)    
Common stock issued upon exercise of options (in shares) 521                      
Stock based compensation expense $ 18   330,769             330,787    
Stock based compensation expense (in shares) 17,619                      
Balance, ending at Mar. 31, 2019 $ 11,736   $ 70,917,811   $ (75,531,252)         $ (4,601,705) $ 95,348,360  
Balance, ending (in shares) at Mar. 31, 2019 11,736,386                 11,736,386