Commitments and Contingencies (Details) (USD $)	12 Months Ended	0 Months Ended		12 Months Ended
	Mar. 31, 2013 item	May 10, 2012 Line of credit	Mar. 31, 2013 Line of credit	Mar. 31, 2013 Facilities at 6797 Winchester Circle, Boulder, Colorado sqft	Mar. 31, 2012 Facilities at 6797 Winchester Circle, Boulder, Colorado	Mar. 31, 2013 Equipment leases with General Electric Capital Corporation	Mar. 31, 2012 Equipment leases with General Electric Capital Corporation
Commitments and contingencies
Currently leased area (in square feet)				35,870
Minimum future lease payments, by fiscal year
2014				$ 320,080		$ 8,488
2015				108,303
Total				428,383
Rent expense				293,830	263,597	101,873	101,873
Credit facility agreement
Maximum borrowing capacity		2,000,000
Term		2 years
Variable rate basis		prime rate
Variable rate margin (as a percent)		1.25%
Amount of borrowings			0
Additional amount available to borrow under eligible receivables and inventory limit			997,000
Number of observation under FDA inspection	5
Number of observation under FDA inspection which are believed to be material	0
Contingent severance benefit obligations	$ 123,980