Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 20,690	$ 9,981
Available-for-sale investments	93,695	56,165
Other receivables	1,625	11,775
Prepaid expenses	3,437	2,950
Total current assets	119,447	80,871
Restricted cash	3,190	3,165
Property and equipment, net	5,167	3,059
Operating lease, right-of-use assets	6,942	7,250
Financing lease, right-of-use assets	1,948	1,248
Other assets	144	193
Total assets	136,838	95,786
Current liabilities:
Accounts payable	3,965	3,106
Accrued expenses	8,888	9,862
Current portion of operating lease liability	381	630
Current portion of financing lease liability	420	264
Total current liabilities	13,654	13,862
Long-term operating lease liability, net of current portion	11,916	9,633
Long-term financing lease liability, net of current portion	1,570	1,007
Commitments and contingencies (Note 4)
Stockholders’ equity:
Preferred stock, $0.001 par value per share; 5,000,000 undesignated authorized shares as of March 31, 2023 (unaudited) and December 31, 2022; no shares issued or outstanding as of March 31, 2023 (unaudited) and December 31, 2022
Common stock, $0.001 par value per share; 85,000,000 authorized shares as of March 31, 2023 (unaudited) and December 31, 2022; issued and outstanding shares - 53,339,611 as of March 31, 2023 (unaudited) and 29,498,488 as of December 31, 2022	53	29
Additional paid-in capital	539,659	489,502
Accumulated other comprehensive loss	(248)	(433)
Accumulated deficit	(429,585)	(417,634)
Total aTyr Pharma stockholders’ equity	109,879	71,464
Noncontrolling interest in Pangu BioPharma Limited	(181)	(180)
Total stockholders' equity	109,698	71,284
Total liabilities and stockholders’ equity	$ 136,838	$ 95,786

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).