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v3.19.1

Short-term Investments (Details Narrative) | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Agreement Termination Period From Date Of Effective Control Change |  |
Annual interest rate (as a percent) | 1.40% | 1.30%

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- References No definition available. + Details
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- Definition The annual interest rate on short-term investments, classified as cash equivalents. + References No definition available. + Details
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Namespace Prefix: | NAN_
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