Subsequent Events

12 Months Ended

Dec. 31, 2017

Subsequent Events [Abstract]

Subsequent Events

12. Subsequent Events

On April 12, 2018, the Company entered into a private placement transaction with accredited investors, raising gross proceeds of approximately $2.9 million, with estimated net proceeds of approximately $2.4 million. In the private placement transaction, the Company sold 14,625,000 shares of its common stock and warrants to purchase 14,625,000 shares of common stock. The purchase price of the common stock was $0.20 per share and warrants are exercisable at $0.40 per share.