Condensed Consolidated Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Activities
Net loss	$ (6,888)	$ (7,163)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,382	1,528
Write-down of inventory	392	1,330
Deferred income taxes	(12)	0
Impairment of long-lived assets	0	688
Non-cash stock based compensation expense	758	903
Provision for allowance for doubtful accounts	63	133
Changes in operating assets and liabilities:
Restricted cash	48	2,878
Accounts receivable	5,901	12,009
Inventories	60	(2,487)
Accrued income taxes	(1,262)	(4,105)
Prepaid expenses and other assets	493	198
Accounts payable	(2,762)	(2,073)
Accrued liabilities and customer deposits	(689)	(8,379)
Deferred profit	(5,255)	(8,115)
Net cash used in operating activities	(7,771)	(12,655)
Investing Activities
Purchases of property, plant and equipment	(162)	(1,062)
Net cash used in investing activities	(162)	(1,062)
Financing Activities
Repurchase of common stock	0	(4,080)
Payments on long-term obligations	0	(22)
Payment for licensing fee	0	44
Net cash used in financing activities	0	(4,146)
Effect of Exchange Rate Changes on Cash	14	(750)
Net Decrease in Cash and Cash Equivalents	(7,919)	(18,613)
Cash and Cash Equivalents, Beginning of Period	46,726	67,382
Cash and Cash Equivalents, End of Period	38,807	48,769
Supplemental Cash Flow Information:
Income tax payments	7	3,596
Transfer Inventory To Capital Equipment	$ 0	$ 838