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v3.8.0.1

Consolidated Statements of Stockholders' Equity - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2014 | 11,329,732 |  |  |  |
Balances at Dec. 31, 2014 | $ 14,130,059 | $ 29,090,058 | $ (6,955,283) | $ (622,441) | $ 35,642,393
Exercise of stock options (in shares) | 517,998 |  |  |  | 517,998
Exercise of stock options | $ 1,784,112 | (980,976) |  |  | $ 803,136
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares) | (99,675) |  |  |  | (99,675)
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration |  | (1,306,981) |  |  | $ (1,306,981)
Repurchase and retirement of shares (note 10) (in shares) | (1,062,456) |  |  |  | (1,062,456)
Repurchase and retirement of shares (note 10) | $ (1,383,538) | (22,232,748) |  |  | $ (23,616,286)
Income tax effect related to stock options exercised |  | 3,431,017 |  |  | 3,431,017
Stock-based compensation (note 11) |  | 526,025 |  |  | 526,025
Net income |  |  | 11,373,730 |  | 11,373,730
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. (note 3) |  |  | (36,598) |  | (36,598)
Other comprehensive income (loss) |  |  |  | (487,011) | (487,011)
Balances (in shares) at Dec. 31, 2015 | 10,685,599 |  |  |  |
Balances at Dec. 31, 2015 | $ 14,530,633 | 8,526,395 | 4,381,849 | (1,109,452) | $ 26,329,425
Exercise of stock options (in shares) | 109,963 |  |  |  | 109,963
Exercise of stock options | $ 350,506 | (204,116) |  |  | $ 146,390
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares) | (25,572) |  |  |  | (25,572)
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration |  | (363,285) |  |  | $ (363,285)
Repurchase and retirement of shares (note 10) (in shares) | (308,416) |  |  |  | (308,416)
Repurchase and retirement of shares (note 10) | $ (420,639) | (6,759,618) |  |  | $ (7,180,257)
Income tax effect related to stock options exercised |  | 859,111 |  |  | 859,111
Stock-based compensation (note 11) |  | 799,434 |  |  | 799,434
Net income |  |  | 16,067,154 |  | 16,067,154
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. (note 3) |  |  | (49,492) |  | (49,492)
Other comprehensive income (loss) |  |  |  | 1,208,606 | 1,208,606
Balances (in shares) at Dec. 31, 2016 | 10,461,574 |  |  |  |
Balances at Dec. 31, 2016 | $ 14,460,500 | 2,857,921 | 20,399,511 | 99,154 | $ 37,817,086
Exercise of stock options (in shares) | 172,759 |  |  |  | 172,759
Exercise of stock options | $ 907,661 | (686,074) |  |  | $ 221,587
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares) | (50,454) |  |  |  | (50,454)
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration |  | (1,461,651) |  |  | $ (1,461,651)
Repurchase and retirement of shares (note 10) (in shares) |  |  |  |  |
Repurchase and retirement of shares (note 10) |  |  |  |  |
Stock-based compensation (note 11) |  | 1,456,572 |  |  | 1,456,572
Net income |  |  | 22,326,594 |  | 22,326,594
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. (note 3) |  |  | (50,300) |  | (50,300)
Other comprehensive income (loss) |  |  |  | (99,154) | (99,154)
Balances (in shares) at Dec. 31, 2017 | 10,583,879 |  |  |  |
Balances at Dec. 31, 2017 | $ 15,368,161 | $ 2,166,768 | $ 42,675,805 |  | $ 60,210,734

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