(6) Fair Value Measurements: Derivatives, Income Statement Location (Details) (Fair Value, Inputs, Level 3, USD $)	Mar. 31, 2013	Mar. 31, 2012
Derivative Liability, Fair Value, Gross Liability	$ (13,185)	$ (10,945)
Other Income (Expense) | Warrant
Derivative Liability, Fair Value, Gross Liability	(2,000)
Other Income (Expense) | Embedded Derivative
Derivative Liability, Fair Value, Gross Liability	(240)
Other Income (Expense) | Exchange Traded Futures
Commodities	104
Other Income (Expense) | Physical Forward Contacts
Commodities	$ 306