Income (loss) Per Share (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Weighted average number of common and common equivalent shares outstanding – basic (in shares)	9,080,385	8,562,633
Add: Net additional common shares upon assumed exercise of common stock options	0	2,854
Adjusted weighted average number of common and common equivalents shares outstanding - diluted	9,080,385	8,565,487
In Money Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	4,610
Underwater Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	642,446	740,482