Equity (Details Textual) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Share-based Arrangements with Employees and Nonemployees [Abstract]
Option grants estimated average forfeiture rate			9.66%	9.75%
Stock Options, Granted			1,500
Stock Options, Exercised			(153)
Restricted stock issued			46
Restricted stock award, value			$ 3
Restricted stock, granted	496		496
Total unrecognized compensation expense related to non-vested share-based compensation arrangements granted under the plans	329		329
Unrecognized compensation expense amortization period			2 years 6 months
Factor used to calculate the number of restricted shares granted to employees in exchange for reductions in their respective salaries	$ 0.06		$ 0.06
Percentage of shares vested in period				50.00%	50.00%
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding under the Stock Compensation Plan	47,903		47,903		51,353
Stock-based compensation expense	120	220	267	406
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 45
2009 Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved under the Stock Compensation Plan	7,000		7,000
Number of shares outstanding under the Stock Compensation Plan	2,093		2,093
2011 Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved under the Stock Compensation Plan	50,000		50,000
Number of shares outstanding under the Stock Compensation Plan	44,630		44,630
1999 Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding under the Stock Compensation Plan	745		745