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Note 13 - Stockholders' Equity | 3 Months Ended
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Mar. 31, 2018
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | 1 3 . Stockholders’ Equity: The following unaudited table summarizes stockholders' equity transactions for the three -month period ended March 31, 2018:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Additional |  |  | Retained |  |  | other |  |  | Total |
|  | Common stock |  |  | paid in |  |  | earnings |  |  | comprehensive |  |  | stockholders' |
|  | Number |  |  | Amount |  |  | capital |  |  | (deficit) |  |  | income (loss) |  |  | equity |
Balances, December 31, 2017 |  |  | 10,583,879 |  |  | $ | 15,368,161 |  |  | $ | 2,166,768 |  |  | $ | 42,675,805 |  |  | $ | - |  |  | $ | 60,210,734 |
Impact of Adoption of ASU 2014-09 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,062,952 |  |  |  | - |  |  |  | 1,062,952 |
Balance on January 1, 2018 |  |  | 10,583,879 |  |  |  | 15,368,161 |  |  |  | 2,166,768 |  |  |  | 43,738,757 |  |  |  | - |  |  |  | 61,273,686 |
Exercise of stock options |  |  | 12,563 |  |  |  | 57,943 |  |  |  | (50,742 | ) |  |  | - |  |  |  | - |  |  |  | 7,201 |
Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration |  |  | (4,327 | ) |  |  |  |  |  |  | (147,068 | ) |  |  | - |  |  |  | - |  |  |  | (147,068 | )
Stock-based compensation (note 15) |  |  | - |  |  |  | - |  |  |  | 578,182 |  |  |  | - |  |  |  | - |  |  |  | 578,182 |
Net income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,743,692 |  |  |  | - |  |  |  | 3,743,692 |
Accretion of redeemable non-controlling interest in Ting Virginia, LLC. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (63,610 | ) |  |  | - |  |  |  | (63,610 | )
Other comprehensive income (loss) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 17,425 |  |  |  | 17,425 |
Balances, March 31, 2018 |  |  | 10,592,115 |  |  | $ | 15,426,104 |  |  | $ | 2,547,140 |  |  | $ | 47,418,839 |  |  | $ | 17,425 |  |  | $ | 65,409,508 |
On February 14, 2018, the Company announced that its Board of Directors has approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. Purchases will be made exclusively through the facilities of the NASDAQ Capital Market. The stock buyback program commenced on February 14, 2018 and will terminate on or before February 13, 2019. During the three months ended March 31, 2018, the Company did not repurchase any shares under this program. On March 1, 2017, the Company announced that its Board of Directors had approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. Purchases were to be made exclusively through the facilities of the NASDAQ Capital Market. The stock buyback program commenced on March 1, 2017 and terminated on February 14, 2018. During the three months ended March 31, 2018, the Company did not repurchase any shares under this program. On February 9, 2016, the Company announced that its Board of Directors had approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. Purchases were to be made exclusively through the facilities of the NASDAQ Capital Market. The stock buyback program commenced on February 10, 2016 and terminated on February 9, 2017. During the three months ended March 31, 2017, the Company did not repurchase any shares under this program.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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