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Note 17 - Stockholders' Equity (Details Textual) - USD ($) |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 01, 2017 | Jan. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 08, 2018 | Dec. 31, 2016 | 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 |  |  | 4 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  | 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 |  |  | 3 years 273 days |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  |  | 0.00% |  |  |  |
Allocated Share-based Compensation Expense, Total |  |  | $ 172,000 | $ 21,000 |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total |  |  | 193,000 |  |  |  |
Expected Recognized Compensation Expenses Next Year |  |  | 92,000 |  |  |  |
Expected Recognized Compensation Expenses in Year Two |  |  | 56,000 |  |  |  |
Expected Recognized Compensation Expenses in Year Three |  |  | $ 32,000 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance |  |  | 471,144 | 476,144 |  | 143,094 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  | 350,000 |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 10,000 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |
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, Value, New Issues |  |  | $ 67,000 |  |  |  |
Subsequent Event [Member] | 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 |  | 20,000 |  |  |  |  |
Employee Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  | 300,000 |  |  |  |
President [Member] | Restricted Stock [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 25,000 |  |  |  |  |  |
President [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 65,000 |  |  |  |  |  |
President [Member] | Non-qualified Options [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 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 |  |  |  |  | 300,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period |  |  | 0 |  |  |  |
Stock Incentive Plan 2009 [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  | 510,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance |  |  | 394,469 | 399,469 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares |  |  | 88,589 | 26,788 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance |  |  | 305,880 | 372,681 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  | 0 | 0 |  |  |

X
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