For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Related Parties (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 24, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2017	Sep. 24, 2016	Sep. 26, 2015	Sep. 26, 2015
Related Party Transaction [Line Items]
Total revenue									$ 45,050	$ 47,720	$ 50,778
Selling, general and administrative expense	$ (16,380)	$ (13,786)	$ (14,404)	$ (13,731)	$ (15,703)	$ (14,199)	$ (14,595)	$ (16,176)	(58,301)	(60,673)	(64,705)	$ (64,705)
Openbet Retail Limited [Member]
Related Party Transaction [Line Items]
Total revenue									1,853	1,961	2,436
Accounts receivable	$ 633				$ 151				633	151	189	$ 189
Loxley Strategic Consulting Limited [Member]
Related Party Transaction [Line Items]
Selling, general and administrative expense									(328)	(256)	(223)
NYX Gaming Group Limited [Member]
Related Party Transaction [Line Items]
Total revenue									89
Hydra Management LLC [Member]
Related Party Transaction [Line Items]
Selling, general and administrative expense									$ (162)