Annual report pursuant to Section 13 and 15(d)

8. Property and Equipment (Details)

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8. Property and Equipment (Details) - USD ($)
Mar. 31, 2017
Mar. 31, 2016
Property, Plant and Equipment [Abstract]    
Manufacturing, lab, and other equipment $ 3,319,000 $ 3,075,000
Office equipment 324,000 298,000
Furniture and fixtures 91,000 83,000
Leasehold improvements 536,000 307,000
Property and equipment, gross 4,270,000 3,763,000
Less: accumulated depreciation and amortization (3,031,000) (2,913,000)
Property and equipment, net $ 1,239,000 $ 850,000