Commitments and Contingencies (Details) (USD $)	12 Months Ended		0 Months Ended
	Mar. 31, 2015 item	Mar. 31, 2014	May 29, 2015
Commitments and contingencies
Leasehold improvements granted by the landlord included in lease		$ 172,176
Minimum future capital equipment lease payments
Less current portion		(67,057)
Credit facility agreement
Number of observations under FDA inspection	5
Number of observations under FDA inspection which are believed to be material	0
Contingent severance benefit obligations	87,282
Line of credit
Credit facility agreement
Line of credit	64,000
Remaining borrowing capacity available	517,000
Line of credit | Subsequent event
Credit facility agreement
Maximum borrowing capacity			2,000,000
Term			1 year
Variable rate margin (as a percent)			1.25%
Debt Instrument Borrowing Base Ratio			2.0
Period of outstanding accounts payable balances excluded from the calculation of the borrowing base ratio under the terms of the debt agreement			60 days
Line of credit | Prime Rate | Subsequent event
Credit facility agreement
Variable rate margin (as a percent)			1.25%
Facilities at 6797 Winchester Circle, Boulder, Colorado
Commitments and contingencies
Currently leased area (in square feet)	28,696
Leasehold improvements granted by the landlord included in lease	172,176
Minimum future lease payments, by fiscal year
2016	268,672
2017	276,732
2018	285,034
2019	293,585
2020	99,800
Total	1,223,823
Equipment leases with General Electric Capital Corporation
Minimum future capital equipment lease payments
Capital lease remaining balance	0
Original cost of lease equipment acquired	177,547
Net book value of lease equipment acquired	$ 86,069