Stock Options and Restricted Stock Awards - Non-Vested Options (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Number of Shares
Nonvested Options at December 31, 2018	1,086,000
Granted	238,000	135,000
Vested	(346,200)
Forfeited	(8,200)
Nonvested Options at December 31, 2019	969,600	1,086,000
Weighted Average Grant Date Fair Value
Nonvested Options at December 31, 2018	$ 2.78
Granted	3.46
Vested	2.41
Forfeited	3.40
Nonvested Options at December 31, 2019	$ 3.08	$ 2.78