CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net Loss	$ (1,470)	$ (2,334)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock compensation expense	80	258
Stock issued under stock purchase plan	0	1
Fair value adjustment of common stock warrants EITF 07-05 (Topic 815)	(14)	(341)
Provision for doubtful accounts and sales returns allowances	(71)	(128)
Depreciation and amortization - continuing operations	4	0
Depreciation and amortization - discontinued operations	0	209
Loss on disposal of property and equipment - continuing operations	51	0
Loss on disposal of property and equipment - discontinuing operations	0	146
Change in value of unconsolidated affiliate	332	0
Changes in Continuing operating assets and liabilities:
Prepaid expenses and other assets	75	31
Accounts payable	(237)	31
Accrued expenses and other current liabilities	15	(59)
Changes in Discontinued operations assets and liabilities:
Accounts receivables and Other receivables	216	(52)
Notes Receivable for asset disposition	202	0
Inventories, net	0	(186)
Prepaid expenses and other current assets	26	1,545
Accounts payable	(507)	(982)
Accrued expenses and other current liabilities	(15)	(1,274)
Accrued product warranty	0	100
Deferred revenue	(409)	(869)
Net cash used in operating activities	(1,644)	(3,055)
Cash flows from investing activities:
Acquisition of property and equipment - continuing operations	(4)	0
Acquisition of property and equipment - discontinued operations	0	(176)
Net cash received on OEM asset disposition - discontinued operations	502	250
Net cash used in investing activities:	498	74
Cash flows from financing activities:
Net cash used in financing activities	0	0
Effect of exchange rates on cash and cash equivalents	29	56
Net decrease in cash and cash equivalents	(1,117)	(2,925)
Cash and cash equivalents at beginning of period	7,575	7,298
Cash and cash equivalents at end of period	$ 6,458	$ 4,373