CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 21,078	$ 23,724	[1]
Short-term investments	3,476	10,079	[1]
Accounts receivable, net of allowances of $332 and $561 as of June 30, 2011 and December 31, 2010, respectively	22,958	23,076	[1]
Inventories	39,653	35,986	[1]
Prepaid expenses and other current assets	8,699	4,090	[1]
Total current assets	95,864	96,955	[1]
Long-term investments	11,721	7,172	[1]
Property, plant and equipment, net	28,814	24,240	[1]
Other assets	14,263	11,884	[1]
Total assets	150,662	140,251	[1]
Current liabilities:
Accounts payable	3,745	7,094	[1]
Accrued liabilities	7,681	7,745	[1]
Total current liabilities	11,426	14,839	[1]
Long-term portion of royalty payments	4,750	5,500	[1]
Other long-term liabilities	118	108	[1]
Total liabilities	16,294	20,447	[1]
Commitments and contingencies (Note 10)			[1]
Stockholders' equity:
Preferred stock, $0.001 par value; 2,000 shares authorized; 883 shares issued and outstanding as of June 30, 2011 and December 31, 2010, respectively (Liquidation preference of $5.7 million and $5.6 million as of June 30, 2011 and December 31, 2010, respectively)	3,532	3,532	[1]
Common stock, $0.001 par value per share; 70,000 shares authorized; 32,088 and 31,877 shares issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	32	32	[1]
Additional paid-in capital	190,976	190,021	[1]
Accumulated deficit	(71,207)	(82,477)	[1]
Accumulated other comprehensive income	5,366	4,652	[1]
Total AXT, Inc. stockholders' equity	128,699	115,760	[1]
Noncontrolling interests	5,669	4,044	[1]
Total stockholders' equity	134,368	119,804	[1]
Total liabilities and stockholders' equity	$ 150,662	$ 140,251	[1]

[1] The Condensed Consolidated Balance Sheet at December 31, 2010 has been derived from the audited consolidated financial statements at that date.