Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 55,892	$ 127,170
Marketable securities	40,034
Prepaid expenses and other current assets	2,688	3,087
Total current assets	98,614	130,257
NON-CURRENT ASSETS:
Restricted deposits	3,961
Property, plant and equipment, net	35,180	18,238
Operating lease right-of-use assets	7,236	6,841
Severance pay fund	2,148	2,191
Other long-term assets	1,647	786
Total non-current assets	50,172	28,056
Total assets	148,786	158,313
CURRENT LIABILITIES:
Trade payables	8,272	6,331
Employees and payroll accruals	4,957	4,705
Operating lease liabilities	2,699	2,475
Accrued interest of convertible senior notes	1,640
Accrued expenses and current liabilities	7,865	7,988
Total current liabilities	25,433	21,499
NON-CURRENT LIABILITIES:
Convertible senior notes, net	71,417
Accrued severance pay	2,396	2,426
Long-term operating lease liabilities	5,603	5,517
Total non-current liabilities	79,416	7,943
CONTINGENT LIABILITIES AND COMMITMENTS
SHAREHOLDERS’ EQUITY:
Ordinary shares of NIS 0.01 par value - Authorized: 150,000,000 and 100,000,000 shares at December 31, 2021 and 2020, respectively; Issued and outstanding: 59,970,389 and 59,000,153 shares at December 31, 2021 and 2020, respectively	169	166
Additional paid-in capital	381,225	376,369
Accumulated deficit	(337,457)	(247,664)
Total shareholders’ equity	43,937	128,871
Total liabilities and shareholders’ equity	$ 148,786	$ 158,313