Consolidated Statements Of Operations - USD ($)	9 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2016
Revenue:
Product sales	$ 3,491,859	$ 3,374,057	$ 4,592,852
Contract services	631,136	428,454	713,947
Total Revenues	4,122,995	3,802,511	5,306,799
Operating costs and expenses:
Costs of product sales	9,526,302	2,533,674	3,343,508
Costs of contract services	538,700	355,803	659,244
Research and development	2,377,195	2,775,400	3,459,746
Selling, general and administrative	4,686,098	4,173,735	5,406,628
Recovery of impaired assets			(585,800)
Loss (gain) on disposal of long-lived assets	39,247
Total Costs and Expenses	17,167,542	9,838,612	12,283,326
Loss before other income	(13,044,547)	(6,036,101)	(6,976,527)
Other income:
Interest income	7,921	4,240	8,122
Other	19,118	24,429	30,054
Total nonoperating income	27,039	28,669	38,176
Net loss	$ (13,017,508)	$ (6,007,432)	$ (6,938,351)
Net loss per common share - basic and diluted	$ (0.27)	$ (0.14)	$ (0.16)
Weighted average number of shares of common stock outstanding - basic and diluted	48,448,718	42,001,299	43,574,137