The Company and Summary of Significant Accounting Policies - Long-Lived Assets (Details) (USD $)	12 Months Ended
	Mar. 31, 2015
Depreciation and amortization
Long-lived assets valuation, period of cash flows used in numerator	12 months
Tangibles, Non-consumable Equipment
Depreciation and amortization
Property and equipment, minimum value capitalized	3,000
Computer Software and Computer Related Consulting Costs
Depreciation and amortization
Property and equipment, minimum value capitalized	3,000
Portable Electronic Devices
Depreciation and amortization
Property and equipment, minimum value capitalized	1,500
Building
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	39 years
Minimum
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	1 year
Minimum | Machinery and equipment
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	2 years
Minimum | Furniture and fixtures
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	3 years
Minimum | Leasehold improvements
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	1 year
Maximum | Machinery and equipment
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	10 years
Maximum | Furniture and fixtures
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	7 years
Maximum | Leasehold improvements
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	15 years