Stock-Based Compensation; Changes in Equity (Details 2)	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	203,500
Weighted Average, Options Outstanding (in dollars per share)	$ 5.20
Remaining Life, Options Outstanding	1 year 3 months 18 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 25,665
Shares, Options Vested (in shares) | shares	159,900
Weighted Average, Options Vested (in dollars per share)	$ 5.19
Remaining Life, Option Vested	1 year
Intrinsic Value, Options Vested (in dollars) | $	$ 25,665
Stock Options By Grant Date Dec 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	29,500
Weighted Average, Options Outstanding (in dollars per share)	$ 2.88
Remaining Life, Options Outstanding	3 months 18 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 25,665
Shares, Options Vested (in shares) | shares	29,500
Weighted Average, Options Vested (in dollars per share)	$ 2.88
Remaining Life, Option Vested	3 months 18 days
Intrinsic Value, Options Vested (in dollars) | $	$ 25,665
Stock Options By Grant Date Dec 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	64,000
Weighted Average, Options Outstanding (in dollars per share)	$ 6.16
Remaining Life, Options Outstanding	3 months 18 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 0
Shares, Options Vested (in shares) | shares	64,000
Weighted Average, Options Vested (in dollars per share)	$ 6.16
Remaining Life, Option Vested	3 months 18 days
Intrinsic Value, Options Vested (in dollars) | $	$ 0
Stock Options By Grant Date Jan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	6,000
Weighted Average, Options Outstanding (in dollars per share)	$ 5.96
Remaining Life, Options Outstanding	3 months 18 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 0
Shares, Options Vested (in shares) | shares	6,000
Weighted Average, Options Vested (in dollars per share)	$ 5.96
Remaining Life, Option Vested	3 months 18 days
Intrinsic Value, Options Vested (in dollars) | $	$ 0
Stock Options By Grant Date Nov 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	94,000
Weighted Average, Options Outstanding (in dollars per share)	$ 5.17
Remaining Life, Options Outstanding	2 years 2 months 12 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 0
Shares, Options Vested (in shares) | shares	56,400
Weighted Average, Options Vested (in dollars per share)	$ 5.17
Remaining Life, Option Vested	2 years 2 months 12 days
Intrinsic Value, Options Vested (in dollars) | $	$ 0
Stock Options By Grant Date Nov 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options Outstanding (in shares) | shares	10,000
Weighted Average, Options Outstanding (in dollars per share)	$ 5.75
Remaining Life, Options Outstanding	3 years 1 month 6 days
Intrinsic Value, Options Outstanding (in dollars) | $	$ 0
Shares, Options Vested (in shares) | shares	4,000
Weighted Average, Options Vested (in dollars per share)	$ 5.75
Remaining Life, Option Vested	3 years 1 month 6 days
Intrinsic Value, Options Vested (in dollars) | $	$ 0