Stock Options (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Number of Shares
Balance, Beginning of period (shares)			190,933
Granted (shares)			0
Forfeited (shares)			(60,000)
Exercised (shares)			(40,000)
Balance, End of period (shares)	90,933		90,933
Outstanding exercisable options at end of quarter (shares)	90,933
Weighted Average Exercise Price (in dollars per share)
Beginning balance (usd per share)	$ 1.72		$ 1.77
Granted (usd per share)			0.00
Forfeited (usd per share)			(2.21)
Exercised (usd per share)			(1.21)
Ending balance (usd per share)			$ 1.77
Outstanding exercisable options at end of quarter (usd per share)	$ 1.72
Intrinsic value of exercisable options	$ 67,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock option expense	$ 0	$ 0	$ 0	$ 0