Note 18 - Stockholders' Equity (Details Textual) - USD ($)			1 Months Ended			12 Months Ended
	Jun. 05, 2020	Apr. 01, 2020	Apr. 30, 2020	Feb. 29, 2020	Jan. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Nov. 20, 2020	Nov. 19, 2020	Dec. 31, 2018	Jun. 08, 2018	Apr. 10, 2009
Stock Issued During Period, Value, New Issues						$ 5,426,601	$ 303,000
Common Stock, Shares Authorized (in shares)						50,000,000	50,000,000	50,000,000	15,000,000
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 Payment Arrangement, Expense						$ 0	$ 178,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total						$ 0
Class of Warrant or Right, Granted in Period (in shares)						792,660
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)						$ 1
Class of Warrant or Right, Exercised During Period (in shares)						597,500
Stock Issued During Period, Shares, Warrants Exercised (in shares)						391,308
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)						5 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate						0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value						$ 0
Class of Warrant or Right, Outstanding, Intrinsic Value						$ 140,615
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate						0.42%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate						1.65%
Series A Preferred Stock Warrants [Member]
Class of Warrant or Right, Granted in Period (in shares)						792,660
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)						792,660
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)						$ 1
Class of Warrant or Right, Exercised During Period (in shares)						597,500
Stock Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)												510,000
Stock Incentive Plan 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)											300,000
Restricted Stock [Member] | Former Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)						15,000
LF International Pte [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)						400,000
Garden State Securities [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)						200,000
Conversion from Series A Preferred Stock to Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)						90,860
Conversion of Stock, Shares Issued (in shares)						941,388
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
Series A Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)						42,660
Stock Issued During Period, Value, New Issues						$ 426,600
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)						10
Preferred Stock, Dividend Rate, Percentage						8.00%
Preferred Stock, Dividend Rate, Per-Dollar-Amount (in dollars per share)						$ 10
Dividends, Total						$ 379,655
Preferred Stock Redemption Premium	$ 2,500,000
Beneficial Conversion Feature of Preferred Stock
Series A Preferred Stock [Member] | Conversion of Accounts Receivable Owed to Investor to Preferred Stock [Member]
Debt Conversion, Original Debt, Amount		$ 478,000
Debt Conversion, Converted Instrument, Shares Issued (in shares)		48,200
Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)						542,660
Stock Issued During Period, Value, New Issues						$ 5,093,267
Stock Issued During Period, Shares, Warrants Exercised (in shares)
Preferred Stock [Member] | Series A Preferred Stock [Member]
Beneficial Conversion Feature of Preferred Stock						$ (2,468,473)
Common Stock [Member] | Disputed Compensation Amounts by Claimants [Member] | God’s Little Gift, Inc. (d\b\a) Helium and Balloons Across America and Gary Page [Member]
Stock Issued During Period, Shares, New Issues (in shares)					20,000
Additional Paid-in Capital [Member]
Stock Issued During Period, Value, New Issues							$ 303,000
Additional Paid-in Capital [Member] | Series A Preferred Stock [Member]
Beneficial Conversion Feature of Preferred Stock	$ 2,500,000					2,468,473
Equity Financing Arrangement [Member]
Proceeds from Issuance or Sale of Equity, Total						$ 5,000,000
Equity Financing Arrangement [Member] | Preferred Stock [Member] | Series A Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)						500,000
Equity Financing Arrangement [Member] | Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)						400,000
Equity Financing Arrangement [Member] | Common Stock [Member] | LF International Pte [Member]
Stock Issued During Period, Shares, New Issues (in shares)			260,000	140,000