Stock-Based Compensation; Changes in Equity (Details Textual) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jul. 31, 2012 B M O Equity [Member]	Jul. 17, 2012 B M O Equity [Member]	Mar. 31, 2013 Stock Option Plan 2001 [Member]	Apr. 12, 2001 Stock Option Plan 2001 [Member]	Mar. 31, 2013 Stock Option Plan 2002 [Member]	Apr. 24, 2002 Stock Option Plan 2002 [Member]	Mar. 31, 2013 Stock Incentive Plan 2007 [Member]	Apr. 10, 2009 Stock Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Allocated Share-based Compensation Expense	$ 37,000	$ 22,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	187,000
Expected Recognized Compensation Expenses Year 2013	82,000
Expected Recognized Compensation Expenses Year 2014	70,000
Expected Recognized Compensation Expenses Year 2015	25,000
Expected Recognized Compensation Expenses Year 2016	8,000
Expected Recognized Compensation Expenses Year 2017	2,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized						119,050		142,860		250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					139,958		123,430		191,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number					2,000		27,500		189,000
Related Party Transaction, Due from (to) Related Party				$ 5,000,000
Warrants Issued To Purchase Common Stock Percentage				4.00%
Diluted (in shares)	3,415,911	3,244,976	140,048
Diluted income per common share (in dollars per share)	$ 0.04	$ 0.12	$ 0.01
Loan Agreement Term			5 years 6 months
Debt Instrument, Interest Rate, Stated Percentage				11.50%