Fair Value Measurement of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Measurement of Financial Instruments

Schedule of fair value hierarchy for liabilities measured at fair value on a recurring basis

The following table presents the fair value hierarchy for liabilities measured at fair value on a non-recurring basis as of September 30, 2017, December 31, 2016 and September 30, 2016 (in thousands):

		Carrying Value						Fair Value
		September 30,		December 31,		September 30,		September 30,		December 31,		September 30,
Financial Instrument	Level	2017		2016		2016		2017		2016		2016
Convertible notes - short-term	3	$	13,565	$	13,137	$	12,777	$	13,565	$	13,137	$	12,777
Convertible notes - long-term	3		13,549		12,660		12,452		11,250		11,250		12,000
		$	27,114	$	25,797	$	25,229	$	24,815	$	24,387	$	24,777