Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Activities
Net income (loss)	$ 9,287	$ (2,074)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	916	1,255
Write-down of inventory	126	51
Capitalized interest	143	204
Deferred income taxes	(23)	24
Non-cash share based compensation expense	463	624
(Gain) loss on sale of property, plant and equipment	57	(9)
(Gain) loss from equity method investment	(2)	91
Provision for (reversal of) allowance for doubtful accounts, net	48	(1,217)
Changes in operating assets and liabilities:
Restricted cash	15,710	(1,703)
Accounts receivable	(3,642)	(2,002)
Inventories	1,644	1,840
Accrued income taxes	(1,899)	169
Vendor deposits and other assets	9,097	(5,557)
Accounts payable	(2,954)	1,823
Customer deposits and accrued liabilities	(31,481)	17,531
Deferred profit	819	520
Net cash (used in) provided by operating activities	(1,805)	11,588
Investing Activities
Purchases of property, plant and equipment	(686)	(210)
Proceeds from sale of property, plant and equipment	68	34
Net cash used in investing activities	(618)	(176)
Financing Activities
Proceeds from the exercise of stock options	1,340	94
Payments on long-term debt	(183)	(319)
Borrowings on long-term debt	0	137
Net cash provided by (used in) financing activities	1,157	(88)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	640	(119)
Net (Decrease) Increase in Cash and Cash Equivalents	(626)	11,205
Cash and Cash Equivalents, Beginning of Period	51,121	27,655
Cash and Cash Equivalents, End of Period	$ 50,495	$ 38,860