Condensed Consolidated Balance Sheets [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accumulated depreciation (in dollars)	$ 4,266	$ 4,064
Common Stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Common Stock, shares authorized	50,000,000	50,000,000
Common Stock, shares issued	24,696,786	21,437,059
Treasury stock, shares (in shares)	9,232,817	5,336,053