Income Taxes - Income tax reconciliation (Details) (USD $)	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Income tax (benefit) reconciliation:
Expected federal income tax	$ 208,088	$ 47,155
State tax, net of federal	12,100	6,736
Permanent timing difference	(6,771)	19,409
State tax credits		76,137
Utilization of net operating loss carryforwards and research and development tax credits	82,927	71,569
Income tax (benefit)	130,490	(74,406)
Income tax (benefit) composition:
Current federal and state income taxes	130,490	5,585
Recognition of deferred tax assets		(3,854)
State tax credits		76,137
Income tax (benefit)	$ 130,490	$ (74,406)