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Note 17 - Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
May 14, 2020
Dec. 01, 2017
Jan. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Mar. 31, 2020
Jun. 08, 2018
Apr. 10, 2009
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent         110.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Minimum Ownership Percentage to Trigger Greater than Fair Value Purchase Price         10.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)         4 years      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)         3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       0.00% 0.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)       3 years 273 days        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate       0.00%        
Share-based Payment Arrangement, Expense       $ 178,000 $ 172,000      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       0        
Stock Issued During Period, Value, New Issues       303,000        
LF International Pte [Member] | Forecast [Member]                
Proceeds from Issuance of Preferred Stock and Preference Stock $ 5,000,000              
Garden State Securities [Member] | Forecast [Member]                
Stock Issued During Period, Shares, Issued for Services (in shares) 200,000              
God’s Little Gift, Inc. (d\b\a) Helium and Balloons Across America and Gary Page [Member] | Common Stock [Member] | Disputed Compensation Amounts by Claimants [Member]                
Stock Issued During Period, Shares, New Issues (in shares)     20,000          
Stock Issued During Period, Value, New Issues         $ 67,000      
Conversion from Notes Payable To Common Stock [Member]                
Debt Conversion, Original Debt, Amount       $ 600,000        
Debt Conversion, Converted Instrument, Shares Issued (in shares)       180,723        
Conversion from Accounts Payable To Common Stock [Member]                
Debt Conversion, Original Debt, Amount       $ 300,000        
Debt Conversion, Converted Instrument, Shares Issued (in shares)       100,000        
Subsequent Event [Member] | LF International Pte [Member]                
Stock Issued During Period, Shares, Issued for Services (in shares) 400,000              
President [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)       471,144        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)       $ 3.95        
President [Member] | Subsequent Event [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)           0    
President [Member] | Restricted Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   4 years            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)       25,000        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   25,000            
President [Member] | Share-based Payment Arrangement, Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   5 years            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)   65,000            
President [Member] | Non-qualified Options [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   5 years            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)   260,000            
Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       2.20%        
Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       2.90%        
Stock Incentive Plan 2018 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)             300,000  
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares)       0        
Stock Incentive Plan 2009 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)               510,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)       394,469 394,469      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in shares)       88,589 88,589      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance (in shares)       305,880 305,880      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)       0 0