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Preferred Stock | 12 Months Ended
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Dec. 31, 2012
Disclosure Text Block Supplement [Abstract] |
Preferred Stock [Text Block] |
Note 2. | Preferred Stock
|  | During 2010, Cornerstone initiated a preferred stock offering. The offering period was scheduled to end on June 30, 2011. In an effort to obtain its goal of $15 million in preferred stock sales, Cornerstone elected to extend the offering in 2011 through June 30, 2012 and in 2012 through December 31, 2012. Specifics of the preferred stock offering are as follows:
| · | Issuance of up to 600,000 shares of Series A Convertible Preferred Stock at a price of $25.00 per share.
| · | The annual cash dividend on each share of Series A Preferred Stock is $2.50, which is equal to 10% of the original issue price of $25.00 per share, and is payable quarterly in arrears, if, as and when declared on the 15th day of February, May, August and November that immediately follows the end of the dividend period to which such dividends relate. Any dividend payable on shares of Series A Preferred Stock that is not declared by our board of directors or paid will accumulate.
| · | Each share of Series A Preferred Stock will be convertible at the shareholder’s option at any time into five (5) shares of our common stock reflecting an initial conversion price of $5.00 per share of common stock. The shares of Series A Preferred Stock are also convertible at Cornerstone’s option, in whole or in part, into shares of Cornerstone’s common stock at the conversion rate, at any time on or after July 31, 2015, if the closing price of Cornerstone’s common stock equals or exceeds 150% of the conversion price on each of the thirty (30) consecutive trading days immediately preceding the date Cornerstone gives notice of its election to so convert.
At December 31, 2011, preferred stock, as presented in the consolidated statements of changes in stockholders’ equity, includes 56,440 shares or $1,399,665 in irrevocable stock subscriptions received in December 2011 which were subsequently paid during January 2012. At December 31, 2012 and 2011, preferred stock dividends accumulated for each period, which were not declared, totaled $683,893 and $440,031, respectively.

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- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References No definition available. + Details
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