SHARE-BASED COMPENSATION (Details) (USD $)	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Stock-based compensation expense related to employee stock options and employee stock purchases
Stock-based compensation expense	$ 14,661	$ 23,083
Unrecognized compensation costs related to nonvested stock options
Stock options granted during the period (in shares)	20,000
Total unrecognized compensation costs related to nonvested stock options	290,000
Expected period for recognition of compensation costs related to nonvested stock options	5 years
Cost of sales
Stock-based compensation expense related to employee stock options and employee stock purchases
Stock-based compensation expense	685	810
Sales and marketing
Stock-based compensation expense related to employee stock options and employee stock purchases
Stock-based compensation expense	210	2,771
General and administrative
Stock-based compensation expense related to employee stock options and employee stock purchases
Stock-based compensation expense	11,063	16,581
Research and development
Stock-based compensation expense related to employee stock options and employee stock purchases
Stock-based compensation expense	$ 2,703	$ 2,921