Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	3 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Cash flows from operating activities:
Net loss	$ (1,170)	$ (5,963)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	757	1,242
Stock-based compensation	973	741
Excess tax benefits of stock-based compensation		(167)
Bad debt expense	17	7
Inventory valuation reserve	(33)	90
Provision for warranty expense	345	131
Change in fair value of derivative liability		5,434
Foreign exchange loss (gain)	458	(67)
Deferred tax expense		31
Changes in operating assets and liabilities:
Accounts receivable	6,005	4,972
Inventories	(239)	25
Costs and earnings in excess of billings on uncompleted contracts	(1,985)	(287)
Other current assets	224	147
Other assets		175
Accounts payable	76	690
Billings in excess of costs and earnings on uncompleted contracts	1,048	155
Commissions payable	(466)	(32)
Income taxes	(848)	(1,797)
Product warranties	(478)	(305)
Accrued liabilities and other	(406)	(1,452)
Net cash provided by operating activities:	4,278	3,770
Cash flow from investing activities:
Decrease in restricted cash	1,757	545
Purchases of property and equipment	(473)	(775)
Advance payment of license agreement	(248)	(1,100)
Net cash provided by (used in) investing activities	1,036	(1,330)
Cash flows from financing activities:
Payment of debt	(650)	(1,000)
Equity contribution from noncontrolling interest		20
Payment of dividends on preferred stock		(319)
Proceeds from exercise of stock options		200
Excess tax benefits from stock-based payment arrangements		167
Net cash used in financing activities	(650)	(932)
Effect of exchange rate changes on cash and cash equivalents	(1,492)	531
Net increase in cash and cash equivalents	3,172	2,039
Cash and cash equivalents at beginning of period	12,905	24,271
Cash and cash equivalents at end of period	16,077	26,310
Supplemental information on cash flow:
Income taxes paid		1,285
Interest paid	$ 366	$ 489