Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 77,377,300	$ 65,249,072
Restricted cash and cash equivalents, short-term		95,737,862
Accounts receivable	1,685,642	4,167,996
Inventory	16,342,014	9,652,855
Prepaid expenses and other current assets	2,617,852	5,234,000
Total current assets	98,022,808	180,041,785
Property, plant and equipment, net	2,500,641	2,618,303
Deferred tax assets, net	16,304,697	14,151,002
Goodwill	898,334	898,334
Other assets	847,983	856,766
Total assets	118,574,463	198,566,190
Current liabilities
Accounts payable	4,765,817	3,054,032
Accrued expenses and other current liabilities	16,658,698	8,636,911
Total debt, current		80,044,866
Total current liabilities	21,424,515	91,735,809
Warrant liability	6,132,947	6,116,882
Other liabilities	2,874,879	2,929,743
Total liabilities	30,432,341	100,782,434
Commitments and contingencies
Stockholders’ equity
Common stock ($.0001 par value, 600,000,000 shares authorized, 81,047,424 and 81,269,868 issued and outstanding at March 31, 2020, and December 31, 2019, respectively)	8,105	8,127
Additional paid-in capital	221,057,307	220,808,037
Accumulated deficit	(132,923,290)	(123,032,408)
Total stockholders’ equity	88,142,122	97,783,756
Total liabilities and stockholders’ equity	$ 118,574,463	$ 198,566,190