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2. Income (Loss) Per Common Share (Details)	6 Months Ended
2. Income (Loss) Per Common Share (Details)	Jun. 30, 2013	Jun. 30, 2012
Net loss per share of common stock:
Warrants	2,297,167	1,889,667
Convertible preferred stock	1,751,005	1,751,005
Total possible dilution	4,048,172	3,640,672

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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