Represents the amount of incremental costs of obtaining a contract deferred during the period.

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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- Definition

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Topic 340
-SubTopic 40
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-Paragraph 2
-Subparagraph (b)
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- Definition

Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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- Definition

Amount of the cumulative effect on retained earnings before related income tax effect.

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

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- Definition

Amount of the related income tax effect of a cumulative effect on retained earnings.

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- Definition

Amount of loss contingency liability.

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-SubTopic 20
-Section 50
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- Definition

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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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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- Definition

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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Note 1 - Summary of Significant Accounting Policies (Details Textual)		3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 01, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Number of Operating Segments			6
Number of Reportable Segments			1
Incremental Costs of Obtaining a Contract, Deferred During Period		$ 445,000	$ 1,272,000
Capitalized Contract Cost, Amortization		639,000	1,254,000
Asset Impairment Charges, Total			0	$ 0
Loss Contingency Accrual, Ending Balance		0	0
Operating Leases, Rent Expense, Minimum Rentals			4,000,000
Direct Operating Costs [Member]
Capitalized Contract Cost, Amortization		29,000	59,000
Selling, General and Administrative Expenses [Member]
Capitalized Contract Cost, Amortization		610,000	1,195,000
Capitalized Contract Cost, Impairment Loss		$ 7,000	$ 19,000
Minimum [Member]
Capitalized Contract Cost, Amortization Period		3 years	3 years
Maximum [Member]
Capitalized Contract Cost, Amortization Period		5 years	5 years
Accounting Standards Update 2014-09 [Member]
Cumulative Effect on Retained Earnings, Net of Tax, Total	$ 2,700,000
Cumulative Effect on Retained Earnings, Tax	814,000
Accounting Standards Update 2014-09 [Member] \| Changes Related to Contract Costs [Member]
Cumulative Effect on Retained Earnings, Net of Tax, Total	2,600,000
Cumulative Effect on Retained Earnings, Tax	776,000
Cumulative Effect on Retained Earnings, before Tax	$ 3,400,000