Stockholder's Equity - Schedule of Pre-2017 Non-Qualified Stock Options Nonvested Share Activity (Details) - Pre-2017 Non-Qualified Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Number of Shares
Vested (in shares)	(86,407)	(150,552)
Non-vested, ending balance (in shares)	46,110	138,350
Weighted Average Grant Date Fair Value Per Share
Vested (in dollars per share)	$ 7.84	$ 7.92
Non-vested, ending balance (in dollars per share)	$ 7.71	$ 7.84