Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Details
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 9,261	$ 8,976
Deferred Tax Assets, Capital Loss Carryforwards	3,576	3,576
Deferred Tax Assets, Tax Credit Carryforwards, Research	270	258
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves	66	88
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	71	70
Deferred Tax Assets, Gross, Total	13,244	12,968
Deferred Tax Liabilities, Other	(150)	(203)
Deferred Tax Liabilities, Gross, Total	(150)	(203)
Deferred Tax Assets, Net, Total	13,094	12,765
Deferred Tax Assets, Valuation Allowance	$ (13,094)	$ (12,765)