Consolidated Statements of Changes in Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning Balance, Amount at Dec. 31, 2014	$ 282,348	$ 148,477,047	$ (141,320,208)	$ 7,439,187
Beginning Balance, Shares at Dec. 31, 2014	28,234,751
Shares issued for services, Shares	20,454
Shares issued for services, Amount	204	44,259		44,463
Option expense		266,954		266,954
Costs associated with rights offering		(615,888)		(615,888)
Net loss			(3,350,880)	(3,350,880)
Ending Balance, Amount at Mar. 31, 2015	$ 282,552	$ 148,172,372	$ (144,671,088)	$ 3,783,836
Ending Balance, Shares at Mar. 31, 2015	28,255,205