CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 58,173	$ 81,985
Accounts receivable, trade, less allowances for doubtful accounts of $2,051 and $118 in 2013 and 2012, respectively	4,771	5,316
Inventories, net	8,557	8,585
Prepaid expenses	925	1,374
Deferred tax assets	2,081	1,823
Income tax receivable	11,812	6,939
Other current assets	561	596
Total current assets	86,880	106,618
Property, plant and equipment, net	28,398	27,750
Deferred financing costs		189
Deferred tax assets	13,198	11,728
Other noncurrent assets	733	879
Total assets	129,209	147,164
CURRENT LIABILITIES
Accounts payable	2,636	2,893
Accrued liabilities	8,432	10,376
Other current liabilities	630
Income taxes payable	859	917
Total current liabilities	12,557	14,186
Other long-term liabilities	4,790	5,539
Total liabilities	17,347	19,725
COMMITMENTS AND CONTINGENCIES (Note 9)
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; 41,886,915 and 41,883,193 issued and outstanding, respectively as of December 31, 2013 and 41,684,960 and 41,681,238 issued and outstanding, respectively as of December 31, 2012	417	416
Treasury stock, at cost	(57)	(57)
Additional paid-in capital	235,836	233,659
Accumulated deficit	(122,421)	(104,135)
Accumulated other comprehensive loss, net of taxes	(1,913)	(2,444)
Total stockholders' equity	111,862	127,439
Total liabilities and stockholders' equity	$ 129,209	$ 147,164