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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Common Stock | Additional Paid In Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | ---
Beginning Balance, Amount at Dec. 31, 2013 | $ 79,827 | $ 34,177,779 | $ (32,235,772) | $ 364,355 | $ 2,386,189
Beginning Balance, Shares at Dec. 31, 2013 | 7,982,704 |  |  |  |
Net income (loss) |  |  | 122,486 |  | 122,486
Total other comprehensive income (loss) |  |  |  | $ (364,355) | (364,355)
Stock based compensation |  | 14,287 |  |  | 14,287
Ending Balance, Amount at Dec. 31, 2014 | $ 79,827 | 34,192,066 | (32,113,286) |  | $ 2,158,607
Ending Balance, Shares at Dec. 31, 2014 | 7,982,704 |  |  |  | 7,982,704
Net income (loss) |  |  | (833,136) |  | $ (833,136)
Private placement offering (net of issuance costs, Amount | $ 49,100 | 3,371,901 |  |  | 3,421,001
Private placement offering (net of issuance costs, Shares | 4,909,999 |  |  |  |
Stock rights offering (net of issuance costs, Amount | $ 2,986 | 225,974 |  |  | 228,960
Stock rights offering (net of issuance costs, Shares | 298,600 |  |  |  |
Stock option exercise | $ 2,865 | 99,755 |  |  | 102,620
Stock option exercise, Shares | 286,500 |  |  |  |
Stock based compensation |  | 75,534 |  |  | 75,534
Ending Balance, Amount at Dec. 31, 2015 | $ 134,778 | $ 37,965,230 | $ (32,946,422) |  | $ 5,153,586
Ending Balance, Shares at Dec. 31, 2015 | 13,477,803 |  |  |  | 13,477,803
Net income (loss) |  |  |  |  | $ (1,943,628)
Ending Balance, Amount at Sep. 30, 2016 |  |  |  |  | $ 3,624,142
Ending Balance, Shares at Sep. 30, 2016 |  |  |  |  | 13,976,059

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