Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of cash, cash equivalents and restricted cash balances reported in the statements of cash flows

	December 31,
	2021		2022
Cash and cash equivalents, as reported on the balance sheets	$	23,236	$	5,836
Restricted cash, as reported on the balance sheets		618		850
Cash, cash equivalents, and restricted cash, as reported in the statements of cash flows	$	23,854	$	6,686

​Schedule property and equipment are stated at cost, net of accumulated depreciation

	%
Manufacturing equipment		10
Computers and software		33
Laboratory equipment		10 - 15
Furniture and office equipment		7 - 15
Cars		20

​Schedule of Black-Scholes option-pricing model as the most appropriate fair value method

		Year ended December 31,
		2020		2021		2022
Expected term (years)	1		2.0-6.2		5.0-6.3		5.5-6.1
Expected volatility	2		90.8%-102.1%		85.5%-89.2%		43.5%-87.8%
Risk-free interest rate	3		0.1%-0.5%		0.8%-1.4%		1.6%-3.8%
Expected dividend yield	4		0%		0%		0%