Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (9,294)	$ (1,921)
Adjustments to reconcile net loss to net cash (used for) provided by operating activities:
Depreciation	546	249
Amortization	1,047	583
Loss on disposal of assets	64	0
Stock based compensation	584	981
Gain on sale of patent		(275)
Interest on royalty obligation	79
Fair value of contingent consideration	(1,100)
Changes in operating assets and liabilities:
Accounts receivable	(638)	540
Inventory	1,109	229
Prepaid expenses, other current assets and deposits	(6)	(16)
Accounts payable	(145)	(630)
Accrued salaries, warranty and other expenses	(445)	509
Deferred revenue	774	575
Net cash (used for) provided by operating activities	(7,425)	824
Cash flows from investing activities:
Disposals (additions) to patents, technology and other	0	(28)
Additions to property and equipment	(191)	(85)
Proceeds from sale of patent		275
Cash paid for acquisition of Xoft	(971)
Net cash (used for) provided by investing activities	(1,162)	162
Cash flows from financing activities:
Taxes paid related to restricted stock issuance	(5)	(37)
Net cash used for financing activities	(5)	(37)
Increase (decrease) in cash and equivalents	(8,592)	949
Cash and equivalents, beginning of period	16,269	16,248
Cash and equivalents, end of period	$ 7,677	$ 17,197

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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