Annual report pursuant to Section 13 and 15(d)

Note 14 - Business Combinations (Details)

v2.4.0.8
Note 14 - Business Combinations (Details) (USD $)
1 Months Ended 12 Months Ended
Aug. 31, 2011
Jan. 01, 2012
Note 14 - Business Combinations (Details) [Line Items]    
Business Combination, Acquisition Related Costs   $ 87,000
Business Combination, Bargain Purchase, Gain Recognized, Amount   22,000
ZF Array Technologies [Member]
   
Note 14 - Business Combinations (Details) [Line Items]    
Equity Method Investment, Ownership Percentage 100.00%  
General and Administrative Expense [Member] | ZF Array Technologies [Member]
   
Note 14 - Business Combinations (Details) [Line Items]    
Business Combination, Bargain Purchase, Gain Recognized, Amount   22,000
Trade Accounts Receivable [Member]
   
Note 14 - Business Combinations (Details) [Line Items]    
Business Combination, Acquired Receivables, Fair Value 3,899,000  
ZF Array Technologies [Member]
   
Note 14 - Business Combinations (Details) [Line Items]    
Payments to Acquire Businesses, Gross 4,000,000  
Business Combination, Contingent Consideration, Liability 2,400,000  
Business Combination, Acquisition Related Costs   $ 87,000