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Note 12 - Employee Benefit Plan
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12 Months Ended |
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Dec. 31, 2014
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| Disclosure Text Block Supplement [Abstract] | |
| Compensation and Employee Benefit Plans [Text Block] | 12. Employee Benefit Plan The Company has established a 401(k) tax-deferred savings plan (the “Plan”) which permits participants to make contributions by salary deduction pursuant to Section 401(k) of the Internal Revenue Code of 1986, as amended. The Company may, at its discretion, make matching contributions to the Plan. Furthermore, the Company is responsible for administrative costs of the Plan. The Company has not made contributions to the Plan since its inception. |