Convertible Debentures (Tables)

3 Months Ended

Mar. 31, 2017

Convertible Debentures [Abstract]

Summary of Convertible Debentures

In the following table is a summary of the Company's convertible debentures.

	March 31, 2017		December 31, 2016
	(unaudited)
Senior secured 2.25% convertible debentures, net of unamortized debt discount of $23,742 and $24,314, respectively; and deferred financing costs of $512 and $524, respectively	$	7,702	$	7,174
Senior secured 4% convertible debentures, net of unamortized debt discount of $3,343 and $3,469, respectively; and deferred financing costs of $378 and $392, respectively		4,993		4,854
Total convertible debt	$	12,695	$	12,028