SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2013

Available-for-sale Securities [Table Text Block]

Amortized cost and estimated fair market value of investments classified as available-for-sale at December 31, 2013, were as follows (in thousands):



			Gross Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Market Value
Investments due in less than 3 months:
Commercial paper	$	3,098	$	1	$	—		$	3,099
Total	$	3,098	$	1	$	—		$	3,099

Investments due in 4-12 months:
Corporate securities	$	6,007	$	33	$	—		$	6,040
Total	$	6,007	$	33	$	—		$	6,040
Investments due between 12 months and 5-years:
Corporate securities	$	102,963	$	202	$	(26	)	$	103,139
Total	$	102,963	$	202	$	(26	)	$	103,139
Total investment securities	$	112,068	$	236	$	(26	)	$	112,278

Amortized cost and estimated fair market value of investments classified as available-for-sale at December 31, 2012, were as follows (in thousands):



			Gross Unrealized
	Amortized Cost		Gains		Losses		Estimated Fair Market Value
Investments due in less than 3 months:
Corporate securities	$	1,500	$	1	$	—	$	1,501
Total	$	1,500	$	1	$	—	$	1,501

Investments due in 4-12 months:
Corporate securities	$	24,127	$	83	$	—	$	24,210
Total	$	24,127	$	83	$	—	$	24,210

Investments due between 12 months and 5-years:
Corporate securities	$	6,000	$	55	$	—	$	6,055
Total	$	6,000	$	55	$	—	$	6,055

Total investment securities	$	31,627	$	139	$	—	$	31,766

Schedule of Inventories [Table Text Block]

Inventories consist of the following (in thousands):



	December 31, 2013		December 31, 2012
Raw materials	$	8,221	$	10,564
Work-in-process	13,216		12,122
Finished goods	20,798		21,939
Total	$	42,235	$	44,625

Schedule of Accounts Receivable [Table Text Block]

Accounts Receivable (in thousands):



	December 31, 2013			December 31, 2012
Accounts receivable trade	$	42,410		$	33,866
Accrued ship and debit and rebate claims	(29,901		)	(26,293		)
Allowance for doubtful accounts	(120		)	(247		)
Total	$	12,389		$	7,326

Schedule of Prepaid Expenses and Other Current Assets [Table Text Block]

Prepaid Expenses and Other Current Assets (in thousands):



	December 31, 2013		December 31, 2012
Prepaid legal fees	$	6,267	$	1,760
Advance to suppliers	757		1,170
Prepaid income tax	7,521		11,463
Prepaid maintenance agreements	947		616
Interest receivable	519		149
Other	2,621		2,243
Total	$	18,632	$	17,401

Schedule of Property and Equipment [Table Text Block]



Building and improvements	4-40 years
Machinery and equipment	2-8 years
Computer software and hardware and office furniture and fixtures	4-5 years

Property and equipment consist of the following (in thousands):



	December 31, 2013			December 31, 2012
Land	$	16,754		$	16,754
Construction-in-progress	8,003			9,431
Building and improvements	43,641			42,819
Machinery and equipment	111,314			101,438
Computer software and hardware and office furniture and fixtures	34,327			28,791
	214,039			199,233
Accumulated depreciation	(123,898		)	(109,509		)
Total	$	90,141		$	89,724

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in accumulated other comprehensive income (loss) for year ended December 31, 2013 (in thousands):



	Unrealized Gains and Losses on Available-for-Sale Securities		Defined Benefit Pension Items				Foreign Currency Items			Total
Beginning balance at January 1, 2013	$	138	$	(560	)		$	129		$	(293	)
Other comprehensive income (loss) before reclassifications	72		(277		)		(29		)	(234		)
Amounts reclassified from accumulated other comprehensive income (loss)	—		57			(1)	—			57
Net-current period other comprehensive income (loss)	72		(220		)		(29		)	(177		)
Ending balance at December 31, 2013	$	210	$	(780	)		$	100		$	(470	)

____________________________

(1) This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the year ended December 31, 2013.

Changes in accumulated other comprehensive income (loss) for year ended December 31, 2012 (in thousands):



	Unrealized Gains and Losses on Available-for-Sale Securities		Defined Benefit Pension Items			Foreign Currency Items		Total
Beginning balance at January 1, 2012	$	—	$	—		$	50	$	50
Other comprehensive income (loss) before reclassifications	138		(560		)	79		(343		)
Amounts reclassified from accumulated other comprehensive income (loss)	—		—			—		—
Net-current period other comprehensive income (loss)	138		(560		)	79		(343		)
Ending balance at December 31, 2012	$	138	$	(560	)	$	129	$	(293	)

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

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-Name Statement of Financial Accounting Standard (FAS)

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+ Details

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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