8. Income Taxes: Schedule of income tax expense vs. statutory income tax expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Details
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 5,075	$ 3,693
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	220	296
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	(149)	168
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount	(299)	(180)
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount	(19)	(16)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	63	85
Income Tax Provision	$ 4,891	$ 4,046