Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Current Assets
Cash and cash equivalents	$ 42,615	$ 46,726
Restricted cash	9,687	4,644
Accounts receivable
Trade (less allowance for doubtful accounts of $508 and $517 at December 31, 2012 and September 30, 2012, respectively)	5,824	7,486
Unbilled and other	8,923	10,807
Inventories	24,730	25,670
Deferred income taxes	3,480	3,460
Prepaid income taxes	1,440	1,400
Other	2,076	2,650
Total current assets	98,775	102,843
Property, Plant and Equipment - Net	12,265	12,387
Deferred Income Taxes -Long Term	450	470
Intangible Assets - Net	3,982	4,096
Goodwill	8,423	8,355
Other Assets - Long Term	1,005	871
Total Assets	124,900	129,022
Current Liabilities
Accounts payable	2,729	5,780
Accrued compensation and related taxes	4,926	5,311
Accrued warranty expense	2,428	2,687
Deferred profit	8,023	10,236
Customer deposits	3,389	3,958
Other accrued liabilities	12,778	7,499
Income taxes payable	6,660	7,140
Total current liabilities	40,933	42,611
Income Taxes Payable Long-term	2,360	2,360
Total liabilities	43,293	44,971
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: 9,539,234 and 9,483,588 at December 31, 2012 and September 30, 2012, respectively	95	95
Additional paid-in capital	77,810	77,377
Accumulated other comprehensive loss	(5,414)	(6,817)
Retained Earnings	7,871	12,065
Total stockholders' equity	80,362	82,720
Noncontrolling interest	1,245	1,331
Total Equity	81,607	84,051
Total Liabilities and Stockholders' Equity	$ 124,900	$ 129,022