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Condensed Balance Sheets [Parenthetical] - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 9,483,503 9,282,981
Common stock, shares outstanding 9,483,503 9,282,981
Redeemable convertible preferred stock [Member]    
Temporary equity, par value (in dollars per share) $ 0.01 $ 0.01
Temporary equity, shares authorized 1,000,000 1,000,000
Temporary equity, shares issued 168 168
Temporary equity, shares outstanding 168 168
Temporary equity, liquidation preference value $ 168,496 $ 168,496