Quarterly report pursuant to Section 13 or 15(d)

Schedule of Reconciliation of Warrant Liability (Details)

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Schedule of Reconciliation of Warrant Liability (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Balance, beginning of period $ 2,327,000 $ 4,633,000
Change in fair value of warrant liability (1,254,000) (2,306,000)
Balance, end of period $ 1,073,000 $ 2,327,000