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Note 9 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Details) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended 60 Months Ended 6 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Aug. 31, 2011
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jul. 31, 2016
Dec. 31, 2012
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2009
Jun. 30, 2012
Noncontrolling Owners [Member]
RLW [Member]
Jun. 30, 2013
Noncontrolling Owners [Member]
Jun. 30, 2103
Noncontrolling Owners [Member]
Dec. 31, 2012
RHB [Member]
Dec. 31, 2012
RHB [Member]
Apr. 27, 2012
RHB [Member]
Apr. 30, 2013
RLW [Member]
Final Payment [Member]
Jun. 30, 2012
RLW [Member]
Dec. 31, 2012
RLW [Member]
Aug. 31, 2011
JBC [Member]
Dec. 31, 2012
RLW [Member]
Dec. 31, 2012
Minimum [Member]
Dec. 31, 2012
Maximum [Member]
Note 9 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Details) [Line Items]                                              
Deferred Revenue             $ 25,000,000                                
Non-Compete Agreement Term             2 years                                
Noncontrolling Interest, Ownership Percentage by Parent                           50.00% 50.00% 50.00%     20.00%        
Long-term Line of Credit                           5,000,000 5,000,000                
Noncontrolling Interests Offer To Buy Percentage                             50.00%                
Noncontrolling Interests Offer To Sell Percentage                             50.00%                
Revaluation Pre-Tax Benenfit                             2,300,000                
Revaluation Net of Tax Benefit       1,500,000                                      
Liquidation Value Multiplier       4.5                                      
Revaluation Pre-Tax Charge       666,000                                      
Revaluation Pre-Tax Charge Net of Tax       433,000                                      
Payments to Acquire Businesses, Gross                             9,800,000                
Adjustments to Additional Paid in Capital, Other                           233,000                  
Deferred Tax Liabilities, Investments                           360,000 360,000                
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage                                       80.00% 100.00%    
Business Acquisition Additional Price Payments 5,000,000                               509,000   23,100,000        
Business Acquisition Additional Price Payments Term 5 years                                            
Business Acquisition Earn-Out Percentage 50.00%                                            
Business Acquisition Earn-Out Calculated Floor           1,200,000   2,000,000                              
Forcasted EBITDA Percentage   0.00%   0.00%         31.00%                            
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability       2,200,000                                      
Business Acquisition Undiscounted Earn-Out Liability   2,300,000   2,300,000                                      
Business Acquisition Undiscounted Earn-Out Liability Increase   2,700,000   2,700,000                                      
EBITDA Earn-Out Increase Floor   5,400,000   5,400,000                                      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners                   20.00%                          
Business Acquisition Purchase Price Multiplier                                           4 4.5
Derivative, Basis Spread on Variable Rate     2.00%   2.00%                                    
Interest Expense, Other         497,000                                    
Increase (Decrease) in Put/Call Liability     1,200,000                                        
Other Tax Expense (Benefit)                                   378,000          
Noncontrolling Owners' Interest In Earnings of Subsidiaries and Joint Ventures                       966,000                      
Obligation For Noncontrolling Owners Interest In Subsidiaries And Joint Ventures   15,158,000   15,158,000     14,721,000         288,000                      
Stockholders' Equity Attributable to Noncontrolling Interest   2,700,000   2,700,000     2,438,000         678,000 678,000                    
Net Income (Loss) Attributable to Noncontrolling Interest   (805,000) (4,381,000) (966,000) (12,076,000)             67,000                      
                      355,000                      
Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest                     6,700,000                        
Increase (Decrease) in Income Taxes                     $ 2,400,000