Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Current Assets
Cash and cash equivalents	$ 52,696	$ 51,121	$ 27,655
Restricted cash	9,913	24,640
Accounts receivable
Trade (less allowance for doubtful accounts of $1,473 and $866 at December 31, 2017, and September 30, 2017, respectively)	24,365	22,519
Unbilled and other	21,620	14,275
Inventories	22,762	30,210
Vendor deposits	5,180	11,806
Other	2,310	2,542
Total current assets	138,846	157,113
Property, Plant and Equipment - Net	15,637	15,792
Intangible Assets - Net	3,378	3,495
Goodwill - Net	11,484	11,405
Investments	2,588	2,615
Deferred Income Taxes - Long-Term	200	200
Other Assets - Long-Term	980	1,003
Total Assets	173,113	191,623
Current Liabilities
Accounts payable	20,483	21,555
Accrued compensation and related taxes	7,422	7,592
Accrued warranty expense	1,401	1,254
Other accrued liabilities	2,918	2,056
Customer deposits	19,328	48,784
Current maturities of long-term debt	365	361
Deferred profit	5,632	4,081	4,081
Income taxes payable	1,608	286
Total current liabilities	59,157	85,969
Long-term Debt	8,225	8,134
Income Taxes Payable - Long Term	6,802	7,037
Total liabilities	74,184	101,140
Commitments and Contingencies
Stockholders' Equity
Preferred stock; 100,000,000 shares authorized; none issued	0	0
Common stock; $0.01 par value; 100,000,000 shares authorized; shares issued and outstanding: 13,150,222 and 9,848,253 at June 30, 2015, and September 30, 2014, respectively	149	147
Additional paid-in capital	127,015	125,564
Accumulated other comprehensive loss	(7,988)	(8,529)
Retained deficit	(20,247)	(26,699)
Total stockholders' equity	98,929	90,483
Total Liabilities and Stockholders' Equity	$ 173,113	$ 191,623

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.