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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events Reverse Stock Split On July 16, 2013, the Company effected a 1-for-10 reverse stock split of its common stock. All share and per share amounts of common stock, options and warrants in the accompanying financial statements have been restated for all periods to give retroactive effect to the reverse stock split. The shares of common stock retained a par value of $0.001 per share. Accordingly, the stockholders’ deficit reflects the reverse stock split by reclassifying from “common stock” to “Additional paid-in capital” in an amount equal to the par value of the decreased shares resulting from the reverse stock split. Nasdaq Listing Effective August 5, 2013, the Company moved its listing from NYSE MKT and started trading on NASDAQ Capital Market. Equity Issuances Subsequent to June 30, 2013, pursuant to the Purchase Agreement with Aspire (see Note 13), Aspire has purchased 395,714 shares of the Company's common stock for an aggregate consideration of approximately $2.7 million pursuant to the purchase agreement. Warrant Exercises Subsequent to June 30, 2013, warrant holders exercised an aggregate of 217,735 warrants at an exercise price of $5.10 per share for gross proceeds of approximately $1.1 million. As an inducement to exercise, we paid certain warrant holders $0.30 per share upon each exercise.