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Common Stock and Treasury Stock | 6 Months Ended
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Jun. 30, 2020
Common Stock and Treasury Stock |
Common Stock and Treasury Stock | 5. Common Stock and Treasury Stock The following summarizes information relating to the number of shares of our common stock issued in connection with stock transactions through June 30, 2020: ​
​ | ​ | ​ | ​ | ​
​ | ​ | Common Stock Issued
​ |  | Class A |  | Class B
​ | ​ | (Shares in thousands)
Balance, January 1, 2019 | ​ | 6,732 | ​ | 923
Conversion of shares |  | 13 |  | (13)
Issuance of restricted stock |  | 29 |  | 44
Forfeiture of restricted stock |  | (3) |  | —
Balance, December 31, 2019 |  | 6,771 |  | 954
Forfeiture of restricted stock | ​ | (2) | ​ | —
Balance, June 30, 2020 |  | 6,769 |  | 954
​ We have a Stock Buy-Back Program to allow us to purchase up to $75.8 million of our Class A Common Stock. As of June 30, 2020, we have remaining authorization of $19.2 million for future repurchases of our Class A Common Stock. On September 14, 2017, the Board of Directors authorized the repurchase of our Class A Common Stock under our trading plan adopted pursuant to Securities and Exchange Commission Rule 10b5-1. The Rule 10b5-1 repurchase plan allows us to repurchase our shares during periods when we would normally not be active in the market due to our internal trading blackout periods. Under the plan, we may repurchase our Class A Common Stock in any combination of open market, block transactions and privately negotiated transactions subject to market conditions, legal requirements including applicable SEC regulations (which include certain price, market, volume and timing constraints), specific repurchase instructions and other corporate considerations. Purchases under the plan will be funded by cash on our balance sheet. The plan does not obligate us to acquire any particular amount of Class A Common Stock. Our original purchase authorization was effective until September 1, 2018 and has been extended several times, with the most recent extension being through May 28, 2020. During the three and six months ended June 30, 2020 and 2019, approximately 800, 1,600, 8,600 and 11,100 shares, respectively were repurchased for $21,000, $41,000, $247,000 and $327,000 respectively, related to the Stock Buy-Back Program. Given the unprecedented uncertainty surrounding the COVID-19 virus and the resulting economic issues we have halted the directions for any additional buybacks under our plan.

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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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