Convertible Debentures (Tables)

12 Months Ended

Dec. 31, 2016

Convertible Debentures [Abstract]

Summary of Convertible Debentures

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

	December 31, 2016		December 31, 2015
Senior secured 2.25% convertible debentures, net of unamortized debt discount of $24,314 and $26,267, respectively; and deferred financing costs of $524 and $522, respectively	$	7,174	$	5,489
Senior secured 4% convertible debentures, net of unamortized debt discount of $3,469 and $3,922, respectively; and deferred financing costs of $392 and $443, respectively		4,854		4,350
Total convertible debt	$	12,028	$	9,839