Note 19 - Reductions in Force (Details Textual) |
12 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2015 |
Dec. 31, 2015
USD ($)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
|
| Restructuring Charges | $ 1,300,000 | |||
| Restructuring Costs Related to Equity Awards | $ 273,000 | |||
| Restructuring Reserve | $ 0 | $ 0 | ||
| Staff Members [Member] | ||||
| Restructuring and Related Cost, Number of Positions Eliminated | 7 | |||
| Executives [Member] | ||||
| Restructuring and Related Cost, Number of Positions Eliminated | 3 |
| X | ||||||||||
- Definition Represents restructuring costs related to equity awards. No definition available.
|
| X | ||||||||||
- Definition The number of positions eliminated during the period as a result of restructuring activities. No definition available.
|
| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|