CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 11,028	$ 15,508
Restricted cash	206	206
Accounts receivable, net of allowance for doubtful accounts of $2,293 and $2,208, as of March 31, 2020 and December 31, 2019, respectively	8,497	20,374
Inventories	29,542	23,031
Prepaid expenses and other receivables	2,599	2,525
Total current assets	51,872	61,644
Property, plant and equipment, net	96,422	96,349
Intangible assets, net	34,699	44,645
Goodwill	454	491
Other assets	3,499	3,776
Total assets	186,946	206,905
Current liabilities:
Accounts payable	7,274	6,875
Accrued expenses	10,394	9,285
Capital lease obligation, current	451	446
Total current liabilities	18,119	16,606
Long-term Line of Credit	25,000	25,000
Secured Long-term Debt, Noncurrent	88,997	86,452
Derivative liabilities	8,034	6,776
Deferred tax liability	185	205
Other long term liabilities	2,107	2,256
Liabilities, Total	218,792	212,212
Commitments and Contingencies
Stockholders’ deficit:
Common Stock, Value, Issued	558	558
Additional paid-in capital	118,463	117,967
Accumulated deficit	(148,310)	(121,474)
Accumulated other comprehensive loss	(2,557)	(2,358)
Total stockholders’ deficit	(31,846)	(5,307)
Total liabilities and stockholders' deficit	186,946	206,905
Senior Notes, due May 2023
Current liabilities:
Convertible Notes	53,900	53,093
Series B Senior Unsecured Convertible Notes
Current liabilities:
Convertible Notes	$ 22,450	$ 21,824