(9) Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Details
Deferred Tax Liabilities, Inventory	$ 72,058	$ 75,127
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves	127,732	114,270
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves	69,477	70,590
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	23,228	29,835
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	96,606	78,526
Current portion of deferred income tax assets	389,101	368,348
Deferred Tax Liabilities, Property, Plant and Equipment	(262,726)	(268,839)
Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs	383,226	328,927
Deferred Tax Assets, Goodwill and Intangible Assets	(109,231)	(126,640)
Deferred Tax Assets, Operating Loss Carryforwards	186,172	197,992
Deferred income tax assets, net of current portion	$ 197,441	$ 131,440