[Line Items] for Accounting Policies [Table]

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Capital Lease Term

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Number of Satellite Hubs Leased

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- Definition

Share Purchase Agreement

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of investment in marketable security, classified as current.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity.

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Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Summary of Significant Accounting Policies (Details Textual)			3 Months Ended	12 Months Ended
	May 13, 2019 USD ($)	Feb. 28, 2018 USD ($) $ / shares shares	Mar. 31, 2019 hub	Dec. 31, 2019 USD ($) Segment	Dec. 31, 2018 USD ($)	Jun. 21, 2019	Jan. 01, 2019 USD ($)
Accounting Policies [Line Items]
Share purchase agreement	$ 89,387,000
Interest rate	5.00%					12.00%
Proceeds from sale of fixed assets				$ 103,000	$ 0
Sale of treasury stock (in shares) \| shares		377,000
Purchase price (in USD per share) \| $ / shares		$ 11.95
Sale of treasury stock		$ 4,500,000		$ 0	4,500,000
Capital lease term			5 years
Satellite hubs leased \| hub			3
Number of operating segments \| Segment				2
Concentration of Credit Risk and Single Source Suppliers
Marketable securities				$ 29,907,000	25,000
Advertising Costs
Advertising expense				2,290,000	1,818,000
Foreign Currency Translation
Foreign currency transaction losses (gain), before tax				181,000	$ (552,000)
Lease liabilities				6,313,000			$ 10,469
Right of use assets				$ 6,286,000			$ 10,469
Revenue-generating assets
Accounting Policies [Line Items]
Property, plant and equipment, useful lives				P5Y