Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net income (loss)	$ (1,437)	$ 4,992
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	769	647
Write-down of inventory	20	499
Deferred income taxes	0	(2,075)
Non-cash stock based compensation expense	465	374
Provision for allowance for doubtful accounts	78	47
Changes in operating assets and liabilities:
Restricted cash	(420)	3,495
Accounts receivable	10,128	(23,569)
Inventories	(1,886)	(3,476)
Accrued income taxes	(752)	2,469
Prepaid expenses and other assets	(251)	(1,838)
Accounts payable	(2,164)	3,678
Accrued liabilities and customer deposits	(5,757)	5,358
Deferred profit	(4,906)	5,098
Net cash used in operating activities	(6,113)	(4,301)
Investing Activities
Purchases of property, plant and equipment	(465)	(609)
Net cash used in investing activities	(465)	(609)
Financing Activities
Proceeds from issuance of common stock	0	1,223
Repurchase of common stock	(4,080)	0
Payments on long-term obligations	(11)	(31)
Excess tax benefit of stock options	0	727
Net cash provided by (used in) financing activities	(4,091)	1,919
Effect of Exchange Rate Changes on Cash	(1,777)	(566)
Net Increase (Decrease) in Cash and Cash Equivalents	(12,446)	(3,557)
Cash and Cash Equivalents, Beginning of Period	67,382	56,764
Cash and Cash Equivalents, End of Period	54,936	53,207
Supplemental Cash Flow Information:
Income tax payments	$ 422	$ 2,168