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Subsequent Events (Narrative) (Details) - Subsequent Event [Member] $ in Millions, $ in Millions | Apr. 25, 2018 USD ($) item | May 04, 2018 CAD ($) | May 04, 2018 USD ($)
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Shareholders Agreement with Golden Hospitality Ltd. [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Percentage of outstanding shares | 51.00% |  |
Total consideration | $ | $ 0.6 |  |
The Charter Agreement [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Percentage of outstanding shares | 6.36% |  |
Additional options to purchase outstanding shares | 51.00% |  |
Total consideration | $ | $ 0.4 |  |
Period in which additional options can be purchased | 3 years |  |
BMO Credit Agreement [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Maximum borrowing capacity |  | $ 35.0 | $ 27.1
Minh Chau [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Number of low-standard rooms | 30 |  |
Number of electronic table games | 7 |  |
Minh Chau [Member] | Investment Certificate [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Number of electronic table games | 26 |  |

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