CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 15,284	$ 32,756
Restricted cash	6,251	6,251
Investments	33,505	51,330
Accounts receivable, net of allowance for doubtful accounts of $650 and $276, respectively	22,186	18,158
Inventory	18,905	16,693
Prepaid expenses and other	1,944	1,861
Total current assets	98,075	127,049
Property and equipment, net	79,294	62,923
Operating lease right-of-use assets	14,369	15,193
Intangible assets, net	3,649	2,859
Total assets	195,387	208,024
Current liabilities:
Accounts payable and accrued expenses	22,443	22,459
Current maturities of long-term lease obligations	1,310	1,834
Total current liabilities	23,753	24,293
Long-term debt, net of debt discount and financing fees	45,712	44,821
Long-term lease obligations	20,405	20,798
Debt derivative liabilities	4,518	5,562
Total liabilities	94,388	95,474
Commitments and contingencies - see Note 14
Shareholders’ equity:
Common stock, $0.01 par value per share; 100,000,000 shares authorized; 42,445,517 and 41,736,950 shares issued and outstanding	424	417
Additional paid-in capital	360,155	342,765
Accumulated deficit	(259,580)	(230,632)
Total shareholders’ equity	100,999	112,550
Total liabilities and shareholders’ equity	$ 195,387	$ 208,024