Note 15 - Leases (Details Textual) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2017
USD ($)
ft²
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
|
| Operating Leases, Rent Expense, Net | $ 139,000 | $ 187,000 | $ 217,000 |
| Office Space at 4995 Bradenton Avenue, Dublin Ohio [Member] | |||
| Area of Real Estate Property | ft² | 5,000 | ||
| Operating Lease, Monthly Base Rent | $ 3,000 | ||
| Office Space at 560 Sylvan Avenue, Englewood Cliffs, New Jersey [Member] | |||
| Area of Real Estate Property | ft² | 2,000 | ||
| Operating Lease, Monthly Base Rent | $ 3,000 | ||
| Office Space at 5600 Blazer Parkway, Dublin, Ohio [Member] | |||
| Area of Real Estate Property | ft² | 25,000 | ||
| Operating Lease, Monthly Base Rent | $ 26,000 | ||
| Operating Lease, Sublease, Monthly Rent Revenue | $ 39,000 | ||
| X | ||||||||||
- Definition Amount of the base monthly rent required for operating lease. No definition available.
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| X | ||||||||||
- Definition Represents the amount of monthly rent revenue from subleased operating leases. No definition available.
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| X | ||||||||||
- Definition Area of a real estate property. No definition available.
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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