Represents the annual cap of rural health care universal service support mechanism.

No definition available.

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- Definition

Represents the amount recorded during the period as provision for uncollectible accounts receivable associated with contracts to customers.

+ References

No definition available.

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- Definition

Represents the percentage of refund available under the rural health care universal support mechanism.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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- Definition

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.

+ References

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Note 2 - Revenue Recognition 1 (Details Textual) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Selling, General and Administrative Expense, Total	$ 16,507,000		$ 17,284,000	$ 32,519,000	$ 35,223,000
Annual Cap of Rural Health Care Support	$ 571,000,000	$ 400,000,000		$ 571,000,000
Percentage of Refund Available	100.00%	84.40%		100.00%
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price	$ 2,082,000
Contract with Customer, Provision for Uncollectible Accounts Receivable		$ 1,092,000
Business Broad Band, Voice and Managed IT Services [Member] \| Minimum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year			1 year
Business Broad Band, Voice and Managed IT Services [Member] \| Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	10 years			10 years
Accounting Standards Update 2014-09 [Member]
Selling, General and Administrative Expense, Total	$ 442			$ 96