CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 9,698	$ 15,508
Restricted cash	206	206
Accounts receivable, net of allowance for doubtful accounts of $2,422 and $2,208, as of September 30, 2020 and December 31, 2019, respectively	16,394	20,374
Inventories	26,917	23,031
Assets held for sale	133	0
Other prepaid expenses and receivables	976	2,525
Total current assets	54,324	61,644
Property, plant and equipment, net	96,305	96,349
Intangible assets, net	35,329	44,645
Goodwill	479	491
Other assets	3,816	3,776
Total assets	190,254	206,905
Current liabilities:
Accounts payable	8,794	6,875
Accrued expenses	9,236	9,285
Government Grant Advance	3,378	0
Capital lease obligation, current	477	446
Total current liabilities	21,885	16,606
Revolver, net of debt issuance costs (face of $25,000 and $25,000 as of September 30, 2020 and December 31, 2019, respectively)	25,000	25,000
2023 Term Loans, net of debt issuance costs (face of $99,209 and $88,464 as of September 30, 2020 and December 31, 2019, respectively )	95,407	86,452
Derivative liabilities	6,726	6,776
Deferred tax liability	274	205
Other long term liabilities	2,641	2,256
Total liabilities	230,344	212,212
Commitments and Contingencies
Stockholders’ deficit:
Common stock, $0.01 par value, 100,000,000 shares authorized; 6,391,569 and 5,385,043 shares issued and outstanding as of September 30, 2020 and December 31, 2019, respectively	66	56
Additional paid-in capital	126,282	118,469
Accumulated deficit	(163,152)	(121,474)
Accumulated other comprehensive loss	(3,286)	(2,358)
Total stockholders’ deficit	(40,090)	(5,307)
Total liabilities and stockholders' deficit	190,254	206,905
Senior Notes, due May 2023
Current liabilities:
Senior Convertible Notes	0	53,093
Series B Senior Unsecured Convertible Notes
Current liabilities:
Senior Convertible Notes	0	21,824
Series C Senior Convertible Notes due 2023
Current liabilities:
Senior Convertible Notes	30,992	0
Series D Senior Convertible Notes
Current liabilities:
Senior Convertible Notes	$ 47,419	$ 0