Convertible Debentures (Tables)

6 Months Ended

Jun. 30, 2017

Convertible Debentures [Abstract]

Summary of Convertible Debentures

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

	June 30, 2017		December 31, 2016
	(unaudited)
Senior secured 2.25% convertible debentures, net of unamortized debt discount of $23,007 and $24,314, respectively; and deferred financing costs of $496 and $524, respectively	$	8,247	$	7,174
Senior secured 4% convertible debentures, net of unamortized debt discount of $3,213 and $3,469, respectively; and deferred financing costs of $363 and $392, respectively		5,139		4,854
Total convertible debt	$	13,386	$	12,028