Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Accrued Liabilities	$ 849	$ 804
Bad debt reserve	280	297
Net operating losses	1,908	2,258
Deferred compensation	1,936	1,908
Intangibles	3,256	2,382
Acquisition-related costs	529	295
Total deferred tax assets	8,758	7,944
Deferred tax liabilities:
Prepaid expenses	421	403
Equity in undistributed foreign earnings	125	123
Goodwill	5,893	6,367
Accrued liabilities	18	34
Fixed assets	786	87
Total deferred tax liabilities	7,243	7,014
Net deferred tax asset	$ 1,515	$ 930