Stock-Based Compensation - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Options
Outstanding, beginning of year (in shares)	284,246
Granted (in shares)	0	0
Forfeited, expired or cancelled (in shares)	(20,000)
Exercised (in shares)	0
Outstanding, end of year (in shares)	264,246	284,246
Exercisable, end of year (in shares)	264,246
Weighted Average Exercise Price
Outstanding, beginning of year (in usd per share)	$ 2.78
Granted (in usd per share)	0.00
Forfeited, expired or cancelled (in usd per share)	2.05
Exercised (in usd per share)	0.00
Outstanding, end of year (in usd per share)	2.84	$ 2.78
Exercisable, end of year (in usd per share)	$ 2.84