CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 39,487	$ 33,735	$ 79,140	$ 65,085
Cost of revenue	24,052	21,497	50,397	41,311
Gross profit	15,435	12,238	28,743	23,774
Operating expenses:
Selling, general and administrative	6,693	5,795	13,143	11,365
Research and development	3,453	2,537	6,612	4,942
Total operating expenses	10,146	8,332	19,755	16,307
Income from operations	5,289	3,906	8,988	7,467
Interest income (expense), net	(188)	39	(371)	(11)
Equity in income of unconsolidated joint ventures	2,177	1,502	3,302	2,613
Other income (expense), net	294	61	285	(50)
Income before provision for income taxes	7,572	5,508	12,204	10,019
Provision for income taxes	1,027	893	1,687	1,639
Net income	6,545	4,615	10,517	8,380
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests	(999)	(230)	(1,806)	(570)
Net income attributable to AXT, Inc.	$ 5,546	$ 4,385	$ 8,711	$ 7,810
Net income attributable to AXT, Inc. per common share:
Basic	$ 0.13	$ 0.11	$ 0.21	$ 0.19
Diluted	$ 0.13	$ 0.10	$ 0.20	$ 0.18
Weighted-average number of common shares outstanding:
Basic	42,001	41,248	41,935	41,124
Diluted	42,511	42,727	42,586	42,725