Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net income	$ 14,258	$ 767
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	1,622	1,871
Write-down of inventory	195	448
Capitalized interest	143	307
Deferred income taxes	206	(10)
Non-cash share based compensation expense	632	978
(Gain) loss on sale of property, plant and equipment	53	(107)
Gain on sale of other assets	(2,883)	0
(Gain) loss from equity method investment	(234)	200
Provision for (reversal of) allowance for doubtful accounts, net	64	(898)
Changes in operating assets and liabilities:
Restricted cash	17,956	(3,576)
Accounts receivable	(5,877)	(8,997)
Inventories	6,565	(245)
Accrued income taxes	(1,742)	742
Vendor deposits and other assets	10,034	(5,521)
Accounts payable	(9,022)	6,616
Customer deposits and accrued liabilities	(34,025)	17,526
Deferred profit	(486)	626
Net cash (used in) provided by operating activities	(2,647)	10,941
Investing Activities
Purchases of property, plant and equipment	(845)	(355)
Proceeds from sale of property, plant and equipment	64	39
Costs related to sale of equity method investment	(6)	0
Net cash used in investing activities	(787)	(316)
Financing Activities
Proceeds from the exercise of stock options	1,889	894
Payments on long-term debt	(275)	(485)
Borrowings on long-term debt	0	384
Net cash provided by financing activities	1,614	793
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(572)	87
Net (Decrease) Increase in Cash and Cash Equivalents	(2,392)	11,505
Cash and Cash Equivalents, Beginning of Period	51,121	27,655
Cash and Cash Equivalents, End of Period	48,729	39,160
Supplemental Non-cash Financing and Investing Activities:
Short-term note receivable received in sale of investment (See Note 10)	5,738	0
Transfer of inventory to property, plant and equipment	$ 908	$ 0