|
Note 16 - Stock-based Compensation (Details) (USD $)
|
12 Months Ended |
|
|
12 Months Ended |
1 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Oct. 31, 2012
|
Sep. 30, 2012
|
Dec. 31, 2013
Employee Stock Option [Member]
|
Dec. 31, 2012
Employee Stock Option [Member]
|
Dec. 31, 2013
Warrants Issued [Member]
|
Dec. 31, 2012
Warrants Issued [Member]
|
Dec. 31, 2013
Warrants To Non Employees [Member]
|
Dec. 31, 2012
Warrants To Non Employees [Member]
|
Dec. 31, 2013
Key Employees and Directors [Member]
|
Jun. 30, 2009
Director [Member]
|
| Note 16 - Stock-based Compensation (Details) [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |
1,487,111 |
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
4,500,000 |
|
4,500,000 |
2,897,111 |
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |
|
250,000,000,000 |
|
|
|
|
|
|
|
|
1,410,000 |
500,000 |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit |
$ 2.11 |
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |
|
|
|
|
10 years |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
|
|
|
|
4 years |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price |
|
|
|
|
|
$ 0.77 |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |
|
|
|
|
|
0.00% |
|
0.00% |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |
|
|
|
|
|
96.00% |
|
110.00% |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate |
|
|
|
|
|
0.89% |
0.33% |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |
|
|
|
|
|
6 years |
|
3 years |
|
|
|
|
| Allocated Share-based Compensation Expense |
|
|
|
|
$ 36,000 |
$ 161,000 |
|
|
$ 6,000 |
$ 1,000 |
|
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized |
$ 54,000 |
|
|
|
|
|
|
|
|
|
|
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
1 year 73 days |
|
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
|
$ 0.53 |
|
|
|
|
|
|
|
|
|
|