5. Equipment and Leasehold Improvements (Details) - Property, Plant and Equipment (USD $)	Mar. 31, 2013	Mar. 31, 2012
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation & amortization	$ (2,187,492)	$ (1,970,196)
	587,958	706,870
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	94,413	92,663
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,474,192	1,407,096
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,741	4,741
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	591,109	561,571
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 610,995	$ 610,995