Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012
Current Assets
Cash and cash equivalents	$ 38,807	$ 46,726
Restricted cash	6,710	4,644
Accounts receivable
Trade (less allowance for doubtful accounts of $516 and $517 at March 31, 2013 and September 30, 2012, respectively)	7,213	7,486
Unbilled and other	5,169	10,807
Inventories	24,929	25,670
Deferred income taxes	3,460	3,460
Prepaid income taxes	1,400	1,400
Other	1,954	2,650
Total current assets	89,642	102,843
Property, Plant and Equipment - Net	11,517	12,387
Deferred Income Taxes -Long Term	480	470
Intangible Assets - Net	3,747	4,096
Goodwill	8,348	8,355
Other Assets - Long Term	1,084	871
Total Assets	114,818	129,022
Current Liabilities
Accounts payable	3,044	5,780
Accrued compensation and related taxes	4,600	5,311
Accrued warranty expense	2,065	2,687
Deferred profit	5,054	10,236
Customer deposits	3,190	3,958
Other accrued liabilities	10,781	7,499
Income taxes payable	5,880	7,140
Total current liabilities	34,614	42,611
Income Taxes Payable Long-term	2,360	2,360
Total liabilities	36,974	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 March 31, 2013 and September 30, 2012, respectively	95	95
Additional paid-in capital	78,136	77,377
Accumulated other comprehensive loss	(6,877)	(6,817)
Retained Earnings	5,780	12,065
Total stockholders' equity	77,134	82,720
Noncontrolling interest	710	1,331
Total Equity	77,844	84,051
Total Liabilities and Stockholders' Equity	$ 114,818	$ 129,022