5. Commitments and Contingencies: Contingencies (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Prepaid for Litigation Contingencies	$ 1,600,000
Relieved Assets on Books After Legal Settlement		$ 213,000
Positive Outcome of Litigation
Proceeds from Legal Settlements	282,000
Allocation of Proceeds from Legal Settlements to Offset Operating Expenses	69,000
Insurance Claims
Product Liability Inurance Deductible - Range, minimum	25,000
Product Liability Inurance Deductible - Range, maximum	$ 1,000,000
Pending or Threatened Litigation
Product Liability Contingency, Loss Exposure Not Accrued, Description	The aggregate maximum exposure for all current open Claims is estimated to not exceed approximately $4,100,000, which represents the potential costs that may be incurred over time for the Claims within the applicable insurance policy deductibles or retentions.
Product Liability Contingency, Loss Exposure Not Accrued, Best Estimate	$ 4,100,000
Loss Contingency Accrual	$ 277,000	$ 249,000