Stock Options and Warrants - Stock Option Plan Additional Details (Details)	12 Months Ended
	Dec. 31, 2016 $ / shares shares
Company's outstanding stock options
Number of Options Outstanding (in shares) | shares	665,000
Weighted Average Remaining Contractual Term	3 years 9 months 29 days
Weighted Average Exercise Price (in dollars per share)	$ 3.34
$2.50 - $3.49
Company's outstanding stock options
Exercise prices, low end of range (in dollars per share)	2.50
Exercise prices, high end of range (in dollars per share)	$ 3.49
Number of Options Outstanding (in shares) | shares	325,000
Weighted Average Remaining Contractual Term	3 years 2 months 16 days
Weighted Average Exercise Price (in dollars per share)	$ 3.17
$3.50
Company's outstanding stock options
Exercise price (in dollars per share)	$ 3.50
Number of Options Outstanding (in shares) | shares	340,000
Weighted Average Remaining Contractual Term	4 years 5 months 1 day
Weighted Average Exercise Price (in dollars per share)	$ 3.50