8. Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets:
Compensation Assets	$ 109	$ 99
Inventory Valuation	491	530
Accounts Receivable Valuation	232	169
Deferred Litigation Costs	62	33
Foreign Net Operating Losses	509	204
Other	290	268
Compensation Liabilities	287	275
Total Deferred Assets	1,980	1,578
Deferred Tax Liabilities:
Prepaid Expenses	(399)	(351)
Depreciation and Amortization	(1,445)	(1,550)
Total Deferred Liabilities	(1,844)	(1,901)
Total Deferred Tax Asset (liability)	$ 136	$ (323)