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Note 7 - Segment Information
 6 Months Ended
Mar. 31, 2013
Segment Reporting Disclosure [Text Block]
7.        Segment Information

The following table presents certain operating segment information.

         
Service and System Integration Segment
       
For the Three Months Ended March 31,
 
Systems
Segment
   
Germany
   
United
Kingdom
   
U.S.
   
Total
   
Consolidated
Total
 
   
(Amounts in thousands)
 
2013
                                               
Sales:
                                               
Product
  $ 2,494     $ 3,794     $ 110     $ 13,139     $ 17,043     $ 19,537  
Service
    143       4,571       429       1,143       6,143       6,286  
Total sales
    2,637       8,365       539       14,282       23,186       25,823  
Profit (loss) from operations
    149       368       (15 )     720       1,073       1,222  
Assets
    15,945       15,869       3,359       16,232       35,460       51,405  
Capital expenditures
    98       72       3       168       243       341  
Depreciation and amortization
    39       46       2       44       92       131  
                                                 
2012
                                               
Sales:
                                               
Product
  $ 223     $ 3,968     $ 718     $ 7,216     $ 11,902     $ 12,125  
Service
    2,141       3,703       292       768       4,763       6,904  
Total sales
    2,364       7,671       1,010       7,984       16,665       19,029  
Profit from operations
    443       164       91       (29 )     226       669  
Assets
    12,628       16,523       2,571       11,808       30,902       43,530  
Capital expenditures
    88       90       6       26       122       210  
Depreciation and amortization
    25       42       7       38       87       112  

         
Service and System Integration Segment
       
For the Six Months Ended March 31,
 
Systems
Segment
   
Germany
   
United
Kingdom
   
U.S.
   
Total
   
Consolidated
Total
 
   
(Amounts in thousands)
 
2013
                                               
Sales:
                                               
Product
  $ 2,590     $ 5,858     $ 264     $ 26,130     $ 32,252     $ 34,842  
Service
    1,100       7,775       731       2,245       10,751       11,851  
Total sales
    3,690       13,633       995       28,375       43,003       46,693  
Profit (loss) from operations
    (224 )     221       (15 )     1,413       1,619       1,395  
Assets
    15,945       15,869       3,359       16,232       35,460       51,405  
Capital expenditures
    139       127       6       204       337       476  
Depreciation and amortization
    76       88       7       83       178       254  
                                                 
2012
                                               
Sales:
                                               
Product
  $ 1,462     $ 7,819     $ 1,071     $ 16,927     $ 25,817     $ 27,279  
Service
    3,248       7,290       608       1,697       9,595       12,843  
Total sales
    4,710       15,109       1,679       18,624       35,412       40,122  
Profit from operations
    471       439       117       406       962       1,433  
Assets
    12,628       16,523       2,571       11,808       30,902       43,530  
Capital expenditures
    117       116       25       37       178       295  
Depreciation and amortization
    48       81       14       79       174       222  

Profit (loss) from operations consists of sales less cost of sales, engineering and development, selling, general and administrative expenses but is not affected by either non-operating charges/income or by income taxes. Non-operating charges/income consists principally of investment income and interest expense.  All intercompany transactions have been eliminated.

The following table lists customers from which the Company derived revenues in excess of 10% of total revenues for the three and six-month periods ended March 31, 2013, and 2012.

   
For the three months ended,
   
For the six months ended
 
   
March 31, 2013
   
March 31, 2012
   
March 31, 2013
   
March 31, 2012
 
   
Amount
   
% of
Revenues
   
Amount
   
% of
Revenues
   
Amount
   
% of
Revenues
   
Amount
   
% of
Revenues
 
   
(dollars in millions)
 
Customer A
  $ 4.8       18 %   $ 5.8       30 %   $ 7.4       16 %   $ 10.3       26 %
Customer B
  $ 5.9       23 %   $ 1.5       8 %   $ 11.0       23 %   $ 6.7       17 %
Customer C
  $ 0.2       1 %   $ 2.2       12 %   $ 1.0       2 %   $ 3.4       9 %
Customer D
  $ 3.0       12 %   $ 0.2       1 %   $ 4.2       9 %   $ 0.8       2 %