CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUES:
TOTAL REVENUES	$ 8,724,359	$ 6,859,584
COSTS AND EXPENSES:
Cost of product revenue	3,548,441	4,374,442
Research and development expenses	2,863,338	1,958,853
Selling, general and administrative expenses	6,085,067	4,156,641
Severance and other related costs	83,087	723,118
Acquisition costs	0	63,497
TOTAL COSTS AND EXPENSES	12,579,933	11,276,551
LOSS FROM OPERATIONS	(3,855,574)	(4,416,967)
OTHER EXPENSE:
Interest expense, net	(712,477)	(662,141)
LOSS BEFORE INCOME TAXES	(4,568,051)	(5,079,108)
Income tax benefit	67,888	79,559
NET LOSS	$ (4,500,163)	$ (4,999,549)
Basic loss per share (in dollars per share)	$ (0.22)	$ (0.29)
Diluted loss per share (in dollars per share)	$ (0.22)	$ (0.29)
Weighted average number of shares outstanding, basic (in shares)	20,163,386	17,197,301
Weighted average number of shares outstanding, diluted (in shares)	20,163,386	17,197,301
Product Revenue [Member]
REVENUES:
TOTAL REVENUES	$ 4,024,662	$ 5,716,593
R&D Revenue [Member]
REVENUES:
TOTAL REVENUES	1,106,639	907,687
Government Grant Income [Member]
REVENUES:
TOTAL REVENUES	3,350,000	0
License and Royalty Revenue [Member]
REVENUES:
TOTAL REVENUES	$ 243,058	$ 235,304