Statements of Income Statement (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues	$ 43,018	$ 46,059	$ 84,667	$ 87,709
Cost of Revenue	19,714	22,544	39,794	42,320
Gross Profit	23,304	23,515	44,873	45,389
Research and Development Expense	10,841	10,214	20,846	19,917
Selling, General and Administrative Expense	21,285	10,519	32,066	20,771
Amortization of Intangible Assets	670	648	1,340	1,264
Operating Expenses	32,796	21,381	54,252	41,952
Operating Income (Loss)	(9,492)	2,134	(9,379)	3,437
Interest Expense, net	1,341	1,200	2,622	2,409
Total other expenses (income)	162	(398)	35	(49)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(10,995)	1,332	(12,036)	1,077
Income Tax Expense (Benefit)	(6,583)	573	(6,900)	(75)
Net Income (Loss) Attributable to Parent	$ (4,412)	$ 759	$ (5,136)	$ 1,152
Earnings (Loss) Per Share, Basic	$ (0.13)	$ 0.02	$ (0.15)	$ 0.04
Earnings (Loss) Per Share, Diluted	$ (0.13)	$ 0.02	$ (0.15)	$ 0.03
Weighted Average Number of Shares Outstanding, Basic	33,240	32,567	33,186	32,633
Weighted Average Number of Shares Outstanding, Diluted	33,240	33,155	33,186	33,284