Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net income (loss)	$ 6,452	$ (332)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	471	654
Write-down of inventory	41	33
Capitalized interest	143	190
Deferred income taxes	(7)	31
Non-cash share based compensation expense	253	319
Loss from equity method investment	26	143
Provision for (reversal of) allowance for doubtful accounts, net	48	(1,178)
Changes in operating assets and liabilities:
Restricted cash	14,885	(2,425)
Accounts receivable	(8,869)	(3,600)
Inventories	7,558	1,621
Accrued income taxes	1,087	239
Vendor deposits and other assets	6,974	725
Accounts payable	(1,255)	78
Customer deposits and accrued liabilities	(29,023)	584
Deferred profit	1,479	(619)
Net cash provided by (used in) operating activities	263	(3,537)
Investing Activities
Purchases of property, plant and equipment	(93)	(86)
Proceeds from sale of property, plant and equipment	0	1
Net cash used in investing activities	(93)	(85)
Financing Activities
Proceeds from the exercise of stock options	1,199	1
Payments on long-term debt	(89)	(160)
Borrowings on long-term debt	0	21
Net cash provided by (used in) financing activities	1,110	(138)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	295	(257)
Net Increase (Decrease) in Cash and Cash Equivalents	1,575	(4,017)
Cash and Cash Equivalents, Beginning of Period	51,121	27,655
Cash and Cash Equivalents, End of Period	$ 52,696	$ 23,638