Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Securities Subject to Redemption and Stockholders??? Equity (Deficit) (Parenthetical)

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Statements of Changes in Securities Subject to Redemption and Stockholders’ Equity (Deficit) (Parenthetical)
12 Months Ended
Dec. 31, 2015
USD ($)
Statement of Stockholders' Equity [Abstract]  
Issuance of preferred stock subject to redemption and warrants to purchase common stock, offering cost $ 68,767