5. Equipment and Leasehold Improvements (Details) - Property, Plant and Equipment - USD ($)	Mar. 31, 2015	Mar. 31, 2014
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation & amortization	$ (2,489,483)	$ (2,385,584)
	270,792	450,873
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	94,413	94,413
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,458,919	1,516,332
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,712	28,452
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	572,236	586,265
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 610,995	$ 610,995