CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Revenue	$ 30,031	$ 23,177	$ 54,597	$ 41,818
Cost of revenue	16,005	14,642	29,911	26,551
Gross profit	14,026	8,535	24,686	15,267
Operating expenses:
Selling, general and administrative	3,714	3,039	7,404	6,458
Research and development	699	515	1,204	966
Total operating expenses	4,413	3,554	8,608	7,424
Income from operations	9,613	4,981	16,078	7,843
Interest income (expense), net	69	(25)	156	(10)
Other income, net	450	1,556	87	1,635
Income before provision for income taxes	10,132	6,512	16,321	9,468
Provision for income taxes	(1,064)	(560)	(1,966)	(806)
Net income	9,068	5,952	14,355	8,662
Less: Net income attributable to noncontrolling interest	(2,006)	(417)	(3,085)	(547)
Net income attributable to AXT, Inc.	$ 7,062	$ 5,535	$ 11,270	$ 8,115
Net income attributable to AXT, Inc. per common share:
Basic (in dollars per share)	$ 0.22	$ 0.18	$ 0.35	$ 0.26
Diluted (in dollars per share)	$ 0.21	$ 0.17	$ 0.34	$ 0.25
Weighted average number of common shares outstanding:
Basic (in shares)	31,831	30,834	31,775	30,789
Diluted (in shares)	33,093	32,172	33,146	31,982