Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

	Fair Value Measurements at December 31, 2014
	Level 1		Level 2		Level 3		Total
Liabilities:
Earnout consideration liability	$	—	$	—	$	500	$	500

	Fair Value Measurements at December 31, 2015
	Level 1		Level 2		Level 3		Total
Liabilities:
Earnout consideration liability	$	—	$	—	$	500	$	500

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents additional information about liabilities measured at fair value on a recurring basis and for which we have utilized significant unobservable (Level 3) inputs to determine fair value:

Ending balance at December 31, 2013	$	525
Change in fair value of preferred stock warrants	83
Conversion of preferred stock warrants to common warrants and to common stock	(608		)
Earnout consideration liability	500
Ending balance at December 31, 2014	500
Ending balance at December 31, 2015	$	500