v3.8.0.1

CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Class of Stock [Line Items] |  |
Common Stock, Value | $ 1,414 | $ 1,437
Common Class A [Member] |  |
Class of Stock [Line Items] |  |
Common Stock, Value | 1,374 | 1,397
Common Class B [Member] |  |
Class of Stock [Line Items] |  |
Common Stock, Value | 40 | 40
Common Class C Member |  |
Class of Stock [Line Items] |  |
Common Stock, Value | $ 0 | $ 0

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