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Stockholders' Equity | 3 Months Ended
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Mar. 31, 2018
Stockholders' Equity [Abstract] |
Stockholders Equity Note Disclosure [Text Block] |
11. | Stockholders’ Equity
Preferred Stock There were no issuances of preferred stock during the three month periods ended March 31, 2018 and 2017. Common Stock The Company is authorized to issue 110,000,000 shares of common stock, $.001 par value per share. As of March 31, 2018, there were 84,062,446 shares issued (including 980,851 restricted stock awards issued but not vested) and 83,081,595 shares of common stock outstanding. There were no shares of common stock issued as a result of the vesting of restricted stock awards (RSA) during the three month period ended March 31, 2018. The Company issued 84,188 shares of common stock as a result of the vesting of RSAs during the three month period ended March 31, 2017. See Note 12 for additional information regarding RSA activity. Shares of common stock issued as a result of stock option exercises and realized gross proceeds during the three month period ended March 31, 2018 were 50,000 and $22,000, respectively. Shares of common stock issued as a result of stock option exercises and realized gross proceeds during the three month period March 31, 2017 were 30,000 and $17,100, respectively, from the exercise of such stock options. See Note 12 for additional information regarding the stock incentive plans.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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