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Note 10 - Debt and Commitments and Contingencies (Details Textual)
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 13, 2013
USD ($)
Dec. 04, 2012
USD ($)
Nov. 30, 2015
USD ($)
a
ft²
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Jun. 30, 2015
New Dawn [Member] | Margin Account [Member]            
Proceeds from Other Debt   $ 14,000,000        
ISD Corporation [Member] | Margin Account [Member]            
Proceeds from Other Debt $ 15,500,000          
Margin Account [Member] | Fed Funds Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate           0.50%
Real Estate Bank Loan Secured by Logan Office [Member]            
Loans Payable to Bank     $ 2,260,000      
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate     4.66%      
Debt Instrument, Periodic Payment     $ 17,600      
Utah [Member] | Building [Member]            
Area of Real Estate Property | ft²     30,700      
Utah [Member] | Land [Member]            
Area of Land | a     3.6      
Utah [Member] | Land and Building [Member]            
Payments to Acquire Property, Plant, and Equipment     $ 1,240,000      
Debt Instrument, Interest Rate, Effective Percentage       1.00%    
Payments to Acquire Property, Plant, and Equipment       $ 3,541,000 $ 69,000  
Operating Leases, Rent Expense       $ 250,000 $ 283,000