Convertible Promissory Notes and Warrants (Details) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Options outstanding at beginning	1,840	1,984	1,181
Granted			805
Exercised		(144)	(2)
Forfeited or expired
Options outstanding at ending	1,840	1,840	1,984
Options exercisable at ending	1,840
Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Outstanding Weighted Average Exercise Price [Roll Forward]
Options outstanding at beginning	$ 7.72	$ 5.00	$ 5.00
Granted			11.25
Exercised		5.13	5.00
Forfeited or expired
Outstanding, ending	7.72	$ 7.72	$ 5.00
Options exercisable at ending	$ 7.72
Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Outstanding Weighted Average Remaining Contractual Life [Roll Forward]
Options outstanding at ending	1 year 9 months 18 days
Options exercisable at ending	1 year 9 months 18 days