Annual report pursuant to Section 13 and 15(d)

7. Property and Equipment (Details)

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7. Property and Equipment (Details) - USD ($)
Mar. 31, 2016
Mar. 31, 2015
Property, Plant and Equipment [Abstract]    
Manufacturing, lab, and other equipment $ 3,075,000 $ 2,937,000
Office equipment 298,000 278,000
Furniture and fixtures 83,000 82,000
Leasehold improvements 307,000 249,000
Property and equipment, gross 3,763,000 3,546,000
Less: accumulated depreciation and amortization (2,913,000) (2,751,000)
Property and equipment, net $ 850,000 $ 795,000