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Note 11 - Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended 42 Months Ended 1 Months Ended
Jun. 28, 2013
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 28, 2013
Special Fee [Member]
Stone River Companies, LLC [Member]
Jun. 30, 2013
Contingent Payment, Project Annual Billings, Percentage [Member]
Jun. 30, 2013
Contingent Payment, Projected Annual Billings, Period in Months [Member]
Jun. 30, 2013
Contingent Payment, Contingent Fees [Member]
Jun. 30, 2013
Not to Exceed Share Price [Member]
Jun. 30, 2013
Number of Days Stock Price Must Trade Above Ceiling to Trigger Additional Fee [Member]
Jun. 28, 2013
Stone River Companies, LLC [Member]
Principal [Member]
Jun. 28, 2013
Stone River Companies, LLC [Member]
Accrued Interest [Member]
Jun. 30, 2013
Stone River Companies, LLC [Member]
Note 11 - Commitments and Contingencies (Details) [Line Items]                            
Business Combination, Contingent Consideration Arrangements, Description             2.5% 42 $500 $2.00 twenty      
Payments for (Proceeds from) Previous Acquisition   $ 82 $ 54 $ 206 $ 89                  
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability   12   12   500                
Extinguishment of Debt, Amount                       500 92 500
Adjustment to Contingent Consideration 66                          
Business Combination, Contingent Consideration, Liability   $ 728   $ 728