Stockholders' Equity	3 Months Ended
Mar. 31, 2019
Stockholders' Equity Note [Abstract]
Stockholders' Equity	Preferred Stock There were no issuances of preferred stock during the three month periods ended March 31, 2019 and 2018. Common Stock The Company is authorized to issue 110,000,000 shares of common stock, $.001 par value per share. As of March 31, 2019, there were 84,112,446 shares issued and outstanding (including 200,010 restricted shares not vested). There were no shares of common stock issued as a result of the vesting of restricted stock awards (RSA) or stock option exercises during the three month periods ended March 31, 2019 and 2018. See Note 12 for additional information regarding RSA activity. There were no shares of common stock issued as a result of stock option exercises during the three month period ended March 31, 2019. 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. See Note 12 for additional information regarding the stock incentive plans.

Stockholders' Equity

3 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Preferred Stock

There were no issuances of preferred stock during the three month periods ended March 31, 2019 and 2018.

Common Stock

The Company is authorized to issue 110,000,000 shares of common stock, $.001 par value per share. As of March 31, 2019, there were 84,112,446 shares issued and outstanding (including 200,010 restricted shares not vested). There were no shares of common stock issued as a result of the vesting of restricted stock awards (RSA) or stock option exercises during the three month periods ended March 31, 2019 and 2018. See Note 12 for additional information regarding RSA activity.

There were no shares of common stock issued as a result of stock option exercises during the three month period ended March 31, 2019. 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. See Note 12 for additional information regarding the stock incentive plans.