CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 62,249	$ 81,985
Income tax receivable	9,548	6,939
Accounts receivable, trade, less allowances for doubtful accounts of $2,299 and $118 in 2013 and 2012, respectively	2,983	5,316
Inventories, net	10,661	8,585
Prepaid expenses	999	1,374
Deferred tax assets	1,927	1,823
Other current assets	1,064	596
Total current assets	89,431	106,618
Property, plant and equipment, net	28,669	27,750
Deferred financing costs, net		189
Deferred tax assets	12,744	11,728
Other noncurrent assets	944	879
Total assets	131,788	147,164
CURRENT LIABILITIES
Accounts payable	3,124	2,893
Accrued liabilities (Note 7)	7,401	10,376
Other current liabilities	747
Income taxes payable	848	917
Total current liabilities	12,120	14,186
Other long-term liabilities	4,819	5,539
Total liabilities	16,939	19,725
COMMITMENTS AND CONTINGENCIES (Note 8)
Stockholders' Equity
Preferred stock, $0.01 par value, 20,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.01 par value, 200,000,000 shares authorized; 41,861,635 and 41,857,913 issued and outstanding, respectively, in 2013 and 41,684,960 and 41,681,238 issued and outstanding, respectively, in 2012	417	416
Treasury stock, at cost	(57)	(57)
Additional paid-in capital	235,406	233,659
Accumulated deficit	(118,770)	(104,135)
Accumulated other comprehensive loss, net	(2,147)	(2,444)
Total stockholders' equity	114,849	127,439
Total liabilities and stockholders' equity	$ 131,788	$ 147,164