Note 8 - Purchase of Equity Securities (Details Textual) - USD ($) |
Dec. 27, 2006 |
Aug. 04, 2016 |
---|---|---|
Restricted Stock [Member] | Minimum [Member] | Pro Forma [Member] | ||
Recipients' Share of Taxes, Share-based Compensation | $ 400,000 | |
Restricted Stock [Member] | Maximum [Member] | Pro Forma [Member] | ||
Recipients' Share of Taxes, Share-based Compensation | $ 500,000 | |
Restricted Stock [Member] | ||
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 562,818 | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 10 years | |
Assumed Common Stock Price on the Day of Vesting | $ 2 | |
Maximum [Member] | ||
Stock Repurchase Program, Authorized Amount | $ 1,000,000 |