CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash	$ 25,793,000	$ 37,752,000
Restricted cash	13,807,000	12,362,000
Short-term investments	1,667,000	2,140,000
Accounts receivable, net of allowances for credit losses of $579 and $579 as of March 31, 2024 and December 31, 2023	25,058,000	19,256,000
Inventories	85,943,000	86,503,000
Prepaid expenses and other current assets	11,474,000	12,643,000
Total current assets	163,742,000	170,656,000
Property, plant and equipment, net	163,122,000	166,348,000
Operating lease right-of-use assets	2,657,000	2,799,000
Other assets	19,443,000	18,898,000
Total assets	348,964,000	358,701,000
Current liabilities:
Accounts payable	10,262,000	9,617,000
Accrued liabilities	12,697,000	19,019,000
Short-term loans	49,048,000	52,921,000
Total current liabilities	72,007,000	81,557,000
Noncurrent operating lease liabilities	2,211,000	2,351,000
Other long-term liabilities	9,655,000	5,647,000
Total liabilities	83,873,000	89,555,000
Commitments and contingencies (Note 12)
Redeemable noncontrolling interests (Note 18)	40,581,000	41,663,000
Stockholders' equity:
Preferred stock Series A, $0.001 par value; 2,000 shares authorized; 883 shares issued and outstanding as of March 31, 2024 and December 31, 2023 (Liquidation preference of $7,920 and $7,875 as of March 31, 2024 and December 31, 2023)	3,532,000	3,532,000
Common stock, $0.001 par value; 70,000 shares authorized; 44,399 and 44,239 shares issued and outstanding as of March 31, 2024 and December 31, 2023	44,000	44,000
Additional paid-in capital	239,257,000	238,452,000
Accumulated deficit	(34,123,000)	(32,040,000)
Accumulated other comprehensive loss	(7,626,000)	(5,999,000)
Total AXT, Inc. stockholders' equity	201,084,000	203,989,000
Noncontrolling interests	23,426,000	23,494,000
Total stockholders' equity	224,510,000	227,483,000
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 348,964,000	$ 358,701,000