Summary of Significant Accounting Policies (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net earnings (loss) per common share - basic:
Net loss	$ (352,000)	$ (1,053,000)
Net earnings (loss) available to common stockholders	(352,000)	(1,053,000)
Weighted-average shares outstanding	32,083,000	31,959,000
Net loss per common share - basic (in dollars per share)	$ (0.01)	$ (0.03)
Net earnings (loss) per common share - diluted:
Net loss	(352,000)	(1,053,000)
Net earnings (loss) available to common stockholders	(352,000)	(1,053,000)
Weighted-average shares and dilutive shares outstanding	32,083,000	31,959,000
Net loss per common share - diluted (in dollars per share)	$ (0.01)	$ (0.03)
Anti-dilutive securities not included in the computation of diluted EPS (in shares)	0	0
Dividends paid	0	0
Accounting for stock-based compensation
Stock-based compensation expense for restricted stock awards	105,000	162,000
Income tax expense related to restricted stock awards	$ 129,000	$ 119,000