|
Note 2 - Significant Accounting Policies (Details) (USD $)
|
12 Months Ended |
1 Months Ended |
6 Months Ended |
|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Jun. 30, 2014
|
Jun. 30, 2014
|
Jun. 03, 2010
|
| Note 2 - Significant Accounting Policies (Details) [Line Items] |
|
|
|
|
|
|
| Cash |
$ 6,351,000 |
$ 3,221,000 |
|
|
|
|
| Money Market Funds, at Carrying Value |
4,103,000 |
6,058,000 |
|
|
|
|
| Proceeds from Sale of Available-for-sale Securities |
12,500,000 |
|
|
|
|
|
| Impairment of Long-Lived Assets Held-for-use |
0 |
0 |
0 |
|
|
|
| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |
0 |
0 |
0 |
|
|
|
| Goodwill, Impairment Loss |
0 |
0 |
0 |
|
|
|
| Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax |
$ 6,000 |
|
|
|
|
|
| Value Shares Withheld Restricted Share Unit Percentage |
25.00% |
|
|
|
|
|
| Restricted Stock Units (RSUs) [Member] | Restricted Share Unit Plan [Member] |
|
|
|
|
|
|
| Note 2 - Significant Accounting Policies (Details) [Line Items] |
|
|
|
|
|
|
| Value Shares Withheld Restricted Share Unit Percentage |
|
|
|
|
25.00% |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares) |
500,000 |
|
|
500,000 |
|
|
| Employee Stock Purchase Plan [Member] |
|
|
|
|
|
|
| Note 2 - Significant Accounting Policies (Details) [Line Items] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) |
900,000 |
|
|
|
|
900,000 |