Stock-Based Compensation; Changes in Equity (Details 1) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Shares, Options Outstanding (in shares)	148,000	162,500
Weighted Average, Options Outstanding (in dollars per share)	$ 4.45	$ 4.25
Remaining Life, Options Outstanding	2 years 4 months 24 days
Intrinsic Value, Options Outstanding	$ 167,446
Shares, Options Vested (in shares)	72,875
Weighted Average, Options Vested (in dollars per share)	$ 2.73
Remaining Life, Option Vested	2 years 1 month 6 days
Intrinsic Value, Options Vested (in dollars)	167,446
Stock Options By Grant Date Dec 2005 [Member]
Shares, Options Outstanding (in shares)	35,000
Weighted Average, Options Outstanding (in dollars per share)	$ 2.88
Remaining Life, Options Outstanding	3 years 6 months
Intrinsic Value, Options Outstanding	72,450
Shares, Options Vested (in shares)	35,000
Weighted Average, Options Vested (in dollars per share)	$ 2.88
Remaining Life, Option Vested	3 years 9 months 18 days
Intrinsic Value, Options Vested (in dollars)	72,450
Stock Options By Grant Date Oct 2008 [Member]
Shares, Options Outstanding (in shares)	2,500
Weighted Average, Options Outstanding (in dollars per share)	$ 4.97
Remaining Life, Options Outstanding	0 years 3 months 18 days
Intrinsic Value, Options Outstanding	0
Shares, Options Vested (in shares)	2,500
Weighted Average, Options Vested (in dollars per share)	$ 4.97
Remaining Life, Option Vested	0 years 3 months 18 days
Intrinsic Value, Options Vested (in dollars)	0
Stock Options By Grant Date Nov 2008 [Member]
Shares, Options Outstanding (in shares)	30,000
Weighted Average, Options Outstanding (in dollars per share)	$ 1.78
Remaining Life, Options Outstanding	0 years 4 months 24 days
Intrinsic Value, Options Outstanding	94,996
Shares, Options Vested (in shares)	30,000
Weighted Average, Options Vested (in dollars per share)	$ 1.78
Remaining Life, Option Vested	0 years 4 months 24 days
Intrinsic Value, Options Vested (in dollars)	94,996
Stock Options By Grant Date Dec 2010 [Member]
Shares, Options Outstanding (in shares)	72,500
Weighted Average, Options Outstanding (in dollars per share)	$ 6.14
Remaining Life, Options Outstanding	3 years 6 months
Intrinsic Value, Options Outstanding	0
Shares, Options Vested (in shares)	5,375
Weighted Average, Options Vested (in dollars per share)	$ 5.97
Remaining Life, Option Vested	3 years 6 months
Intrinsic Value, Options Vested (in dollars)	0
Stock Options By Grant Date Jan 2011 [Member]
Shares, Options Outstanding (in shares)	8,000
Weighted Average, Options Outstanding (in dollars per share)	$ 5.96
Remaining Life, Options Outstanding	3 years 6 months
Intrinsic Value, Options Outstanding	0
Shares, Options Vested (in shares)	0
Weighted Average, Options Vested (in dollars per share)	$ 0
Remaining Life, Option Vested	0 years
Intrinsic Value, Options Vested (in dollars)	$ 0