Stockholder's Deficit - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2017		Dec. 31, 2016
Equity [Abstract]
Number of Options Outstanding, Beginning Balance	173,750
Number of Options Outstanding, Granted	111,667	[1]	142,500
Number of Options Outstanding, Exercised
Number of Options Outstanding, Canceled			5,417
Number of Options Outstanding, Ending Balance	285,417		173,750
Number of Options Exercisable, Ending Balance	86,285
Weighted- Average Exercise Price Options Outstanding, Beginning Balance	$ 9.24
Weighted- Average Exercise Price Options Outstanding, Granted	4.71
Weighted- Average Exercise Price Options Outstanding, Exercised
Weighted- Average Exercise Price Options Outstanding, Canceled
Weighted- Average Exercise Price Options Outstanding, Ending Balance	7.47		$ 9.24
Weighted- Average Exercise Price Options Exercisable, Ending Balance	$ 11.79
Weighted Average Remaining Life Outstanding, Beginning	2 years 9 months 7 days
Weighted Average Remaining Life Outstanding, Granted	3 years
Weighted Average Remaining Life Outstanding, Exercised	2 years
Weighted Average Remaining Life Outstanding, Ending	2 years 7 months 10 days

[1] Options granted under 2016 Stock Incentive Plan