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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	Note 20. Subsequent Events In March 2016, we raised gross proceeds of approximately $8.0 million through an underwritten public offering of 26,667,000 units, at a price of $0.30 per unit, before deducting underwriting discounts and other offering expenses. Each unit consists of a fixed combination of one share of our common stock, a Series A Warrant to purchase 0.50 of a share of our common stock, and a Series B Warrant to purchase 0.75 of a share of our common stock. Each Series A Warrant has an exercise price of $0.30 per share, is immediately exercisable, and will expire two years from the date of issuance. Each Series B Warrant has an exercise price of $0.42 per share, will become exercisable upon stockholder approval of an increase in our authorized capital and the one year anniversary of the issuance date, whichever is later, and will expire on the fifth anniversary of the date they become exercisable. In connection with the offering, we have granted the underwriters a 45 day option to purchase up to an additional 4,000,050 shares of our common stock and/or warrants to purchase up to an additional 5,000,063 shares of our common stock to cover over-allotments, if any. The initial shares and warrants were offered under our effective shelf registration statement previously filed with the SEC. We intend to file a subsequent registration statement to register the common shares issuable upon the exercise of the Series B Warrants at the time they become exercisable. Proceeds from the sale will be used for general corporate purposes.