CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Mar. 31, 2011	$ 206,643	$ 54,014,368	$ (31,265,464)	$ (326,898)	$ 22,628,649
Balance (in shares) at Mar. 31, 2011	20,664,332
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based consulting and compensation expense	502	684,417	0	0	684,919
Share-based consulting and compensation expense (in shares)	50,200
Proceeds from exercise of stock options	940	207,885	0	0	208,825
Proceeds from exercise of stock options (in shares)	94,000
Comprehensive income (loss)	0	0	(4,250,371)	(37,267)	(4,287,638)
Balance at Mar. 31, 2012	208,085	54,906,670	(35,515,835)	(364,165)	19,234,755
Balance (in shares) at Mar. 31, 2012	20,808,532
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based consulting and compensation expense	1,571	810,068	0	0	811,639
Share-based consulting and compensation expense (in shares)	157,050
Proceeds from exercise of stock options	400	149,600	0	0	150,000
Proceeds from exercise of stock options (in shares)	40,000
Comprehensive income (loss)	0	0	(3,305,146)	(205,012)	(3,510,158)
Balance at Mar. 31, 2013	210,056	55,866,338	(38,820,981)	(569,177)	16,686,236
Balance (in shares) at Mar. 31, 2013	21,005,582
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based consulting and compensation expense	3,196	1,433,074	0	0	1,436,270
Share-based consulting and compensation expense (in shares)	319,620
Proceeds from exercise of stock options	3,286	356,216	0	0	359,502
Proceeds from exercise of stock options (in shares)	328,633
Comprehensive income (loss)	0	0	(5,353,090)	84,782	(5,268,308)
Balance at Mar. 31, 2014	$ 216,538	$ 57,655,628	$ (44,174,071)	$ (484,395)	$ 13,213,700
Balance (in shares) at Mar. 31, 2014	21,653,835