Stockholders' Equity (Details) (USD $)	3 Months Ended				9 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Class of Stock [Line Items]
Beginning balance, value	$ 24,725,635	$ 26,658,168	$ 27,774,995		$ 27,774,995
Beginning balance, shares	39,999,984	39,798,538	39,777,767		39,777,767
Issuance of common stock under employee stock purchase plan, value			22,055
Issuance of common stock under employee stock purchase plan, shares			12,052
Issuance of common stock under stock bonus plan, value		32,444
Issuance of common stock under stock bonus plan, shares		284,385	3,666
Retirement of vested shares, value		(171,740)
Retirement of vested shares, shares		(82,939)
Issuance of common stock upon exercise of employee options, value			4,497
Issuance of common stock upon exercise of employee options, shares			5,053
Compensation expense from employee and director stock option and common stock grants	153,313	197,477	166,658
Net Income (Loss) Attributable to Parent	(1,371,465)	(1,990,714)	(1,310,037)	(65,913)	(4,672,216)	(1,394,536)
Ending balance, value	23,507,483	24,725,635	26,658,168		23,507,483
Ending balance, shares	39,999,984	39,999,984	39,798,538		39,999,984
Common Stock [Member]
Class of Stock [Line Items]
Beginning balance, value		397,985	397,778		397,778
Issuance of common stock under employee stock purchase plan, value			120
Issuance of common stock under stock bonus plan, value		2,844	37
Retirement of vested shares, value		(829)
Issuance of common stock upon exercise of employee options, value			50
Ending balance, value	400,000	400,000	397,985		400,000
Additional Paid-in Capital [Member]
Class of Stock [Line Items]
Beginning balance, value	121,574,931	121,518,765	121,325,762		121,325,762
Issuance of common stock under employee stock purchase plan, value			21,935
Issuance of common stock under stock bonus plan, value		29,600	(37)
Retirement of vested shares, value		(170,911)
Issuance of common stock upon exercise of employee options, value			4,447
Compensation expense from employee and director stock option and common stock grants	153,313	197,477	166,658
Ending balance, value	121,728,244	121,574,931	121,518,765		121,728,244
Accumulated Deficit [Member]
Class of Stock [Line Items]
Beginning balance, value	(97,249,296)	(95,258,582)	(93,948,545)		(93,948,545)
Net Income (Loss) Attributable to Parent	(1,371,465)	(1,990,714)	(1,310,037)
Ending balance, value	$ (98,620,761)	$ (97,249,296)	$ (95,258,582)		$ (98,620,761)