Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 132,735	$ 72,788
Accounts receivable, net of allowance for doubtful accounts	57,572	34,780
Inventories, net	58,290	35,574
Prepaid expenses	9,778	5,834
Other current assets	3,590	1,349
Total Current Assets	261,965	150,325
Property, plant and equipment, net	800,586	583,922
Deposits on equipment	3,823	4,100
Operating lease right of use assets	5,165	6,537
Equity method investment	25,418	25,856
Other assets	28,426	13,670
Total Assets	1,125,383	784,410
CURRENT LIABILITIES:
Accounts payable	55,088	42,612
Accrued expenses	33,016	14,950
Current operating lease liabilities	1,510	1,384
Total Current Liabilities	89,614	58,946
Long term operating lease liabilities	4,200	5,710
Total Liabilities	93,814	64,656
STOCKHOLDERS' EQUITY:
Common stock — voting, $0.001 par value, 200,000 shares authorized, 48,051 issued and 48,037 outstanding on December 31, 2022, and 43,449 issued and 43,435 outstanding on December 31, 2021	48	43
Additional paid-in capital	1,325,524	955,710
Accumulated deficit	(295,117)	(235,623)
Accumulated other comprehensive income (loss)	1,370	(120)
Treasury stock, at cost — 14 shares on December 31, 2022 and on December 31, 2021	(256)	(256)
Total Stockholders' Equity	1,031,569	719,754
Total Liabilities and Stockholders' Equity	$ 1,125,383	$ 784,410