SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013
Deferred Revenue [Abstract]
Net product sales, percentage					77.00%				75.00%
Deferred revenue	$ 31,600,000				$ 31,600,000				$ 25,500,000
Deferred cost	12,500,000				12,500,000				9,800,000
Accounts Receivable [Abstract]
Accounts receivable trade	51,407,000				51,407,000				42,410,000
Accrued ship and debit and rebate claims	(34,859,000)				(34,859,000)				(29,901,000)
Allowance for doubtful accounts	(105,000)				(105,000)				(120,000)
Total	16,443,000				16,443,000				12,389,000
Prepaid Expenses and Other Current Assets [Abstract]
Prepaid legal fees	3,780,000				3,780,000				6,267,000
Prepaid income tax	3,746,000				3,746,000				7,521,000
Prepaid maintenance agreements	608,000				608,000				947,000
Interest receivable	694,000				694,000				519,000
Supplier Prepayment	1,083,000				1,083,000				757,000
Other	3,679,000				3,679,000				2,621,000
Total	13,590,000				13,590,000				18,632,000
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(315,000)		(484,000)		(470,000)		(293,000)		(293,000)
Other comprehensive income (loss) before reclassifications	109,000		(217,000)		250,000		(422,000)
Amounts reclassified from accumulated other comprehensive income	16,000		14,000		30,000		28,000
Total other comprehensive income (loss)	125,000		(203,000)		280,000		(394,000)
Ending balance	(190,000)		(687,000)		(190,000)		(687,000)		(470,000)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	357,000		84,000		210,000		138,000		138,000
Other comprehensive income (loss) before reclassifications	92,000		(204,000)		239,000		(258,000)
Amounts reclassified from accumulated other comprehensive income	0		0		0		0
Total other comprehensive income (loss)	92,000		(204,000)		239,000		(258,000)
Ending balance	449,000		(120,000)		449,000		(120,000)
Defined Benefit Pension Items [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(766,000)		(546,000)		(780,000)		(560,000)		(560,000)
Other comprehensive income (loss) before reclassifications	0		0		0		0
Amounts reclassified from accumulated other comprehensive income	16,000	[1]	14,000	[1]	30,000	[2]	28,000	[2]
Total other comprehensive income (loss)	16,000		14,000		30,000		28,000
Ending balance	(750,000)		(532,000)		(750,000)		(532,000)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	94,000		(22,000)		100,000		129,000		129,000
Other comprehensive income (loss) before reclassifications	17,000		(13,000)		11,000		(164,000)
Amounts reclassified from accumulated other comprehensive income	0		0		0		0
Total other comprehensive income (loss)	17,000		(13,000)		11,000		(164,000)
Ending balance	$ 111,000		$ (35,000)		$ 111,000		$ (35,000)

[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, 2014 and 2013.

[2] This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the six months ended June 30, 2014 and 2013.