Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Operating Activities
Net income (loss)	$ (27,598)	$ 22,119	$ 9,563
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,858	2,814	1,763
Write-down of inventory	10,380	1,167	582
Losses on inventory purchase commitments	2,455	0	0
Provision for (reversal of) allowance for doubtful accounts	300	139	(56)
Deferred income taxes	3,781	(635)	(1,402)
Impairment of long-lived assets	5,428	0	610
Non-cash share based compensation expense	1,763	1,470	987
Changes in operating assets and liabilities:
Change in restricted cash	1,781	(274)	(4,763)
Accounts receivable	23,700	(21,399)	(11,621)
Inventories	(2,130)	(14,194)	(12,128)
Accrued income taxes	(12,683)	7,834	6,549
Prepaid expenses and other assets	1,817	(1,740)	(1,752)
Accounts payable	(2,807)	(3,644)	8,436
Accrued liabilities and customer deposits	(5,387)	5,137	12,057
Deferred profit	(16,096)	16,632	6,975
Net cash provided by (used in) operating activities	(12,438)	15,426	15,800
Investing Activities
Purchases of property, plant and equipment	(1,306)	(5,183)	(2,929)
Investments in acquisitions, net of cash	0	(1,055)	0
Investment in note receivable	0	0	(1,000)
Proceeds from note receivable	0	0	1,000
Other	(236)	0	0
Net cash used in investing activities	(1,542)	(6,238)	(2,929)
Financing Activities
Proceeds from issuance of common stock, net	3	1,330	1,328
Repurchase of common stock	(4,080)	0	0
Payments on long-term obligations	(31)	(127)	(117)
Excess tax benefit of stock options	0	855	202
Net cash provided by (used in) financing activities	(4,108)	2,058	1,413
Effect of Exchange Rate Changes on Cash	(2,568)	(628)	182
Net Increase in Cash and Cash Equivalents	(20,656)	10,618	14,466
Cash and Cash Equivalents, Beginning of Year	67,382	56,764	42,298
Cash and Cash Equivalents, End of Year	46,726	67,382	56,764
Supplemental Cash Flow Information:
Income tax refunds	1,115	282	665
Income tax payments	5,030	8,451	1,508
Supplemental Non-cash Financing Activities:
Transfer inventory to capital equipment	1,586	0	0
Issuance of common stock for acquisition of interest in Kingstone	0	3,835	0
Repurchase of common stock financed with current liabilities	$ 0	$ 1,225	$ 0