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Note 4 - Unaudited Summarized Financial Information for NKD Enterprises, LLC - Operations (Details) - NKD Enterprises LLC [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Revenues | $ 1,878 | $ 1,782
Operating loss | (58) | (2)
Net loss | (58) | (2)
Current assets | 133 | 260
Non-current assets | 3,004 | 3,004
Current liabilities | 260 | 328
Stockholders’ equity | $ 2,877 | $ 2,936

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