RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS Adjustments to Condensed Consolidated Statement of Cash Flows (Details) (USD $)	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2012 Scenario, Previously Reported [Member]	Mar. 31, 2012 Restatement Adjustment [Member]	Mar. 31, 2012 Other Adjustment [Member]	Mar. 31, 2012 Discontinued Operations [Member]	Mar. 31, 2012 Scenario, Actual [Member]
Net (loss) income	$ 8,265,000		$ (12,977,000)	$ 29,808,000	$ (766,000)	$ 0	$ 16,065,000
Depreciation and amortization	6,135,000		7,574,000	0	298,000	0	7,872,000
Recovery of doubtful accounts	(36,000)		(77,000)	0	(34,000)	0	(111,000)
Gain (Loss) on Disposition of Other Assets	125,000						0
Gain on disposal of fixed assets			(2,000)	0	2,000	0	0
Stock-based compensation expense	2,077,000		3,133,000	0	(222,000)	0	2,911,000
Non-cash interest expense	73,000		73,000	0	0	0	73,000
Foreign currency transaction losses	44,000		(2,298,000)	0	3,326,000	0	(1,028,000)
Provision for deferred taxes	3,000		(372,000)	0	0	0	372,000
Accounts receivable	11,366,000		(16,857,000)	(1,472,000)	22,000	0	18,307,000
Inventories	2,501,000		(7,731,000)	0	1,181,000	0	6,550,000
Prepaid expenses and other current assets	(374,000)		975,000	0	(1,386,000)	0	411,000
Accounts payable	(5,383,000)		(5,376,000)	0	0	0	(5,376,000)
Accrued expenses, compensation and benefits and other liabilities	(7,532,000)		(12,338,000)	0	1,501,000	0	(10,837,000)
Income taxes payable	(878,000)		(766,000)	0	2,150,000	0	1,384,000
Deferred revenues	(17,546,000)		13,431,000	(31,280,000)	(1,000)	0	(17,850,000)
Net cash provided by operating activities	(1,410,000)	(9,145,000)	18,958,000	0	(215,000)	0	18,743,000
Purchases of property and equipment	(2,126,000)		3,588,000	0	1,000	0	(3,589,000)
Change in other long-term assets	(8,000)		(1,318,000)	0	1,684,000	0	(366,000)
Proceeds from sales of assets	125,000						0
Net cash used in investing activities	(2,009,000)		(2,270,000)	0	(1,685,000)	0	(3,955,000)
Proceeds from the issuance of common stock under employee stock plans, net	176,000		(172,000)	0	454,000	0	282,000
Common stock repurchases for tax withholdings for net settlement of equity awards	(181,000)		0	0	454,000	0	(454,000)
Proceeds from revolving credit facilities	0		1,000,000	0	0	0	1,000,000
Payments on revolving credit facilities	0		1,000,000	0	0	0	(1,000,000)
Net cash used in financing activities	(5,000)		(172,000)	0	0	0	(172,000)
Effect of Exchange Rate on Cash and Cash Equivalents	(2,460,000)		310,000	0	1,900,000	0	2,210,000
Net decrease in cash and cash equivalents	(5,884,000)		16,826,000	0	0	0	16,826,000
Cash and Cash Equivalents, at Carrying Value	$ 64,506,000	$ 48,203,000	$ 49,681,000	$ 0	$ 0	$ 0	$ 49,681,000