Summary of Significant Accounting Policies (Details 2) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net earnings (loss) per common share - basic and diluted:
Net earnings (loss)	$ 631,000	$ 164,000	$ 279,000	$ (889,000)
Allocation to nonvested restricted stock awards	15,000	4,000	7,000
Net earnings (loss) available to common stockholders	$ 616,000	$ 160,000	$ 272,000	$ (889,000)
Weighted-average shares outstanding - basic and diluted	32,086,000	31,962,000	32,084,000	31,961,000
Net earnings (loss) per common share - basic and diluted	$ 0.02	$ 0.01	$ 0.01	$ (0.03)
Anti-dilutive securities not included in the computation of diluted EPS (in shares)	0	0	0	0
Dividends paid	$ 0	$ 0	$ 0	$ 0
Accounting for stock-based compensation
Stock-based compensation expense for restricted stock awards	90,000	139,000	195,000	301,000
Income tax benefit (expense) related to restricted stock awards	$ 36,000	$ 57,000	$ (93,000)	$ (62,000)