CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract]
Net loss	$ (2,368,641)	$ (1,080,246)	$ (5,937,400)	$ (3,270,579)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(859)	(135,688)	56,599	(136,477)
Unrealized loss on available-for-sale investments	0	(32)	0	(775)
Pension adjustments	254	25,382	(21,499)	24,986
Total other comprehensive income (loss), net of tax	(605)	(110,338)	35,100	(112,266)
Comprehensive loss	$ (2,369,246)	$ (1,190,584)	$ (5,902,300)	$ (3,382,845)