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Note 7 - Acquisition of Business (Details Textual) - USD ($)
3 Months Ended 4 Months Ended 6 Months Ended
Mar. 08, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
BAMKO [Member] | Customer Relationships [Member]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 2,090,000          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years          
BAMKO [Member] | Noncompete Agreements [Member]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 370,000          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 5 years 302 days          
BAMKO [Member] | Trade Names [Member]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 8,900,000          
BAMKO [Member]            
Payments to Acquire Businesses, Gross $ 15,800,000,000,000          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 324,000          
Business Acquisition, Equity Interested Issued, Vesting Period 5 years          
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount $ 5,500,000,000,000          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 11,360,000          
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, After Discount $ 5,396,000          
Amortization of Intangible Assets   $ 90,000     $ 121,000  
Business Combination, Acquisition Related Costs   173,000     1,072,000  
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual   9,839,000   $ 13,639,000    
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual   88,000     (410,000)  
Business Acquisition, Pro Forma Revenue         6,587,000 $ 12,355,000
Business Acquisition, Pro Forma Net Income (Loss)         1,021,000 1,418,000
Amortization of Intangible Assets   $ 607,000 $ 516,000   $ 1,154,000 $ 1,033,000