Convertible Promissory Notes and Warrants (Tables)

12 Months Ended

Dec. 31, 2016

Convertible Promissory Notes And Warrants

Schedule of warrant activity

A summary of warrant activity for the years ended December 31, 2016, 2015 and 2014 is presented below (in thousands, except per share and contractual life data):

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in Years)
Warrants outstanding at December 31, 2013		1,181		$	5.00
Granted		805			11.25
Exercised		(2	)		5.00
Forfeited or expired		—			—
Warrants outstanding at December 31, 2014		1,984		$	5.00
Granted		—			—
Exercised		(144	)		5.13
Forfeited or expired		—			—
Warrants outstanding at December 31, 2015		1,840		$	7.72
Granted		—			—
Exercised		—			—
Forfeited or expired		—			—
Warrants outstanding at December 31, 2016		1,840		$	7.72		1.80
Warrants exercisable at December 31, 2016		1,840		$	7.72		1.80