Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001133818 (http://www.sec.gov/CIK)

Derivative Financial Instruments Indexed to, and Potentially Settled in, Entity's Own Stock [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Derivative Financial Instruments Indexed to, and Potentially Settled in, Entity's Own Stock [Abstract]
Schedule of Stockholders' Equity Note, Warrants or Rights	A summary of warrants outstanding and exercisable as of December 31, 2016 (in thousands, except as noted):       Warrants Outstanding     Warrants Exercisable             Weighted                               Average                               Remaining     Weighted           Weighted       Number     Contractual     Average     Number     Average   Year Issued   Outstanding     Life     Exercise Price     Exercisable     Exercise Price             (in years)     (per share)           (per share)   2013     10       1.3     $ 0.90       10     $ 0.90   2014 (Note 9)     2,750       2.1       4.74       2,750       4.74   2015     -       -       -       -       -   2016 (Note 9)     3,191       5.0     $ 2.31       -       -         5,951       3.6     $ 3.43       2,760     $ 4.73