7. Income per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net income (loss) (numerator for basis and diluted earnings per share)	$ 197	$ 1,246	$ 602	$ 845
Denominator:
Denominator for basic earnings per share weighted average shares	13,564,119	13,544,273	13,554,852	13,539,111
Effect of dilutive securities:
Options	89,584	868	25,118	1,740
Denominator
Denominator for diluted earnings per share weighted average shares	13,653,703	13,545,141	13,579,970	13,540,851
Basic income (loss) per share	$ 0.01	$ 0.09	$ 0.04	$ 0.06
Diluted income (loss) per share	$ 0.01	$ 0.09	$ 0.04	$ 0.06