Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 296,871	$ 132,735
Accounts receivable, net of allowance for doubtful accounts	56,754	57,572
Inventories, net	63,238	58,290
Prepaid expenses	7,615	9,778
Other current assets	2,841	3,590
Total Current Assets	427,319	261,965
Property, plant and equipment, net	979,164	800,586
Deposits on equipment	1,895	3,823
Operating Lease, Right-of-Use Asset	3,616	5,165
Equity method investment	0	25,418
Long term investment in equity securities	23,528	0
Other assets	28,899	28,426
Total Assets	1,464,421	1,125,383
CURRENT LIABILITIES:
Accounts payable	36,096	55,088
Accrued expenses	49,816	33,016
Operating Lease, Liability, Current	1,312	1,510
Finance Lease, Liability, Current	1,998	0
Total Current Liabilities	89,222	89,614
Convertible senior notes	393,074	0
Operating Lease, Liability, Noncurrent	2,591	4,200
Finance Lease, Liability, Noncurrent	26,080	0
Total Liabilities	510,967	93,814
Commitments and contingencies
STOCKHOLDERS' EQUITY:
Common stock — voting, $0.001 par value, 200,000 shares authorized, 48,277 issued and 48,263 outstanding on December 31, 2023, and 48,051 issued and 48,037 outstanding on December 31, 2022	48	48
Additional paid-in capital	1,282,984	1,325,524
Accumulated deficit	(328,731)	(295,117)
Accumulated other comprehensive (loss) income	(591)	1,370
Treasury stock, at cost	(256)	(256)
Total Stockholders' Equity	953,454	1,031,569
Total Liabilities and Stockholders' Equity	$ 1,464,421	$ 1,125,383