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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Total | Common Stock [Member] | Paid-in Capital [Member] | Shares To Be Issued [Member] | Statutory Reserves [Member] | Other Comprehensive Income [Member] | Accumulated Retained Earnings [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2013 | $ 154,676,411 | $ 60,910 | $ 78,130,053 | $ 0 | $ 9,672,754 | $ 16,209,403 | $ 50,603,291 | $ 345,117
Balance (in shares) at Dec. 31, 2013 |  | 60,910,058 |  |  |  |  |  |
Shares issued for system purchase | 14,491,451 | $ 8,234 | 14,483,217 | 0 | 0 | 0 | 0 | 0
Shares issued for system purchase (in shares) |  | 8,233,779 |  |  |  |  |  |
Cashless exercise of stock options | 0 | $ 36 | (36) | 0 | 0 | 0 | 0 | 0
Cashless exercise of stock options (in shares) |  | 36,124 |  |  |  |  |  |
Shares purchased by officer | 18,918,173 | $ 13,829 | 18,904,344 | 0 | 0 | 0 | 0 | 0
Shares purchased by officer (in shares) |  | 13,829,074 |  |  |  |  |  |
Shares to be issued for IR service | 187,500 | $ 0 | 0 | 187,500 | 0 | 0 | 0 | 0
Shares to be issued for IR service (in shares) |  | 0 |  |  |  |  |  |
Net income for year | 19,811,922 | $ 0 | 0 | 0 | 0 | 0 | 19,811,922 | (86,730)
Transfer to statutory reserves | 0 | 0 | 0 | 0 | 2,215,416 | 0 | (2,215,416) | 0
Foreign currency translation gain | (222,265) | 0 | 0 | 0 | 0 | (222,265) | 0 | (1,588)
Balance at Dec. 31, 2014 | 207,863,192 | $ 83,009 | 111,517,578 | 187,500 | 11,888,170 | 15,987,138 | 68,199,797 | 256,799
Balance (in shares) at Dec. 31, 2014 |  | 83,009,035 |  |  |  |  |  |
Shares to be issued for IR service | 0 | $ 75 | 187,425 | (187,500) | 0 | 0 | 0 | 0
Shares to be issued for IR service (in shares) |  | 75,000 |  |  |  |  |  |
Issuance of stock options | 9,390 | $ 0 | 9,390 | 0 | 0 | 0 | 0 | 0
Net income for year | 18,397,425 | 0 | 0 | 0 | 0 | 0 | 18,397,425 | (29,582)
Transfer to statutory reserves | 0 | 0 | 0 | 0 | 1,935,619 | 0 | (1,935,619) | 0
Foreign currency translation gain | (12,776,823) | 0 | 0 | 0 | 0 | (12,776,823) | 0 | (13,606)
Balance at Dec. 31, 2015 | $ 213,493,182 | $ 83,084 | $ 111,714,392 | $ 0 | $ 13,823,789 | $ 3,210,315 | $ 84,661,602 | $ 213,611
Balance (in shares) at Dec. 31, 2015 |  | 83,084,035 |  |  |  |  |  |

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