Stockholders' Equity - Schedule of Nonvested Stock Option (Details) - Equity Incentive 2011 Plan [Member] - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Common shares, nonvested beginning of period	414,306	461,926	461,926
Common shares, granted	15,991		179,998
Common shares, vested	55,171		(187,181)
Common shares, forfeited	7,624		(40,437)
Common shares, nonvested end of period	367,502		414,306
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted average grant date fair value, nonvested beginning of period	$ 3.60	$ 3.84	$ 3.84
Weighted average grant date fair value, granted	1.92		2.88
Weighted average grant date fair value, vested	3.60		4.00
Weighted average grant date fair value, forfeited	3.04		3.76
Weighted average grant date fair value, nonvested end of period	$ 3.28		$ 3.60
Weighted average remaining years to vest	2 years 6 months	2 years 9 months	2 years 7 months