SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Available-for-sale Securities

Amortized cost and estimated fair market value of cash equivalents and marketable securities classified as available-for-sale at June 30, 2015, were as follows(in thousands):

	Amortized		Gross Unrealized					Estimated Fair
	Cost		Gains		Losses			Market Value
Investments due in less than 3 months:
Commercial paper (1)	$	34,984	$	—	$	—		$	34,984
Corporate securities (2)	2,808		—		—			2,808
Total	37,792		—		—			37,792
Investments due in 4-12 months:
Commercial paper (2)	7,488		—		—			7,488
Corporate securities (2)	68,522		53		(11		)	68,564
Total	76,010		53		(11		)	76,052
Investments due between 12 months and 5-years:
Corporate securities (2)	16,080		11		(7		)	16,084
Total	16,080		11		(7		)	16,084
Total marketable securities	$	129,882	$	64	$	(18	)	$	129,928

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(1) Included within cash and cash equivalents on the condensed consolidated balance sheet.

(2) Included within short-term marketable securities on the condensed consolidated balance sheet.

Amortized cost and estimated fair market value of marketable securities classified as available-for-sale at December 31, 2014, were as follows(in thousands):    

	Amortized		Gross Unrealized					Estimated Fair
	Cost		Gains		Losses			Market Value
Investments due in 4-12 months:
Corporate securities	$	30,233	$	36	$	—		$	30,269
Total	30,233		36		—			30,269
Investments due between 12 months and 5-years:
Corporate securities	84,259		92		(45		)	84,306
Total	84,259		92		(45		)	84,306
Total marketable securities	$	114,492	$	128	$	(45	)	$	114,575

Schedule of Accounts Receivable

Accounts Receivable (in thousands):

	June 30, 2015			December 31, 2014
Accounts receivable trade	$	46,960		$	38,344
Accrued ship and debit and rebate claims	(33,642		)	(27,967		)
Allowance for doubtful accounts	(106		)	(191		)
Total	$	13,212		$	10,186

Schedule of Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets (in thousands):

	June 30, 2015		December 31, 2014
Prepaid legal fees	$	60	$	1,506
Loan to Cambridge Semiconductor (Note 10)	—		6,600
Prepaid income tax	3,206		3,208
Prepaid maintenance agreements	865		1,023
Interest receivable	530		664
VAT receivable	657		987
Supplier prepayment	534		800
Other	3,592		1,591
Total	$	9,444	$	16,379

Summary of Changes in Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss) for the three months ended June 30, 2015 and 2014 (in thousands):

	Unrealized Gains and Losses on Marketable Securities					Defined Benefit Pension Items										Foreign Currency Items					Total
	Three Months Ended					Three Months Ended										Three Months Ended					Three Months Ended
	June 30,					June 30,										June 30,					June 30,
	2015			2014		2015					2014					2015			2014		2015			2014
Beginning balance at April 1,	$	139		$	357	$	(1,226	)			$	(766	)			$	56		$	94	$	(1,031	)	$	(315	)
Other comprehensive income (loss) before reclassifications	(93		)	92		—					—					(57		)	17		(150		)	109
Amounts reclassified from accumulated other comprehensive income	—			—		14			(1	)	16			(1	)	—			—		14			16
Net-current period other comprehensive income (loss)	(93		)	92		14					16					(57		)	17		(136		)	125
Ending balance at June 30,	$	46		$	449	$	(1,212	)			$	(750	)			$	(1	)	$	111	$	(1,167	)	$	(190	)

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(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the three months ended June 30, 2015 and 2014.

Changes in accumulated other comprehensive income (loss) for the six months ended June 30, 2015 and 2014 (in thousands):

	Unrealized Gains and Losses on Marketable Securities					Defined Benefit Pension Items										Foreign Currency Items					Total
	Six Months Ended					Six Months Ended										Six Months Ended					Six Months Ended
	June 30,					June 30,										June 30,					June 30,
	2015			2014		2015					2014					2015			2014		2015			2014
Beginning balance at January 1,	$	83		$	210	$	(1,240	)			$	(780	)			$	21		$	100	$	(1,136	)	$	(470	)
Other comprehensive income (loss) before reclassifications	(37		)	239		—					—					(22		)	11		(59		)	250
Amounts reclassified from accumulated other comprehensive income	—			—		28			(1	)	30			(1	)	—			—		28			30
Net-current period other comprehensive income (loss)	(37		)	239		28					30					(22		)	11		(31		)	280
Ending balance at June 30,	$	46		$	449	$	(1,212	)			$	(750	)			$	(1	)	$	111	$	(1,167	)	$	(190	)

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(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the six months ended June 30, 2015 and 2014.