The percentage of ownership in the investee accounted for under the cost method of accounting.

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- Definition

Amount of effect of a change in accounting principle on lease obligation liability.

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No definition available.

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- Definition

Amount of effect of a change in accounting principle on right of use assets.

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No definition available.

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- Definition

Period for creating allowance for doubtful accounts.

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No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
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-Paragraph 1
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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Name Accounting Standards Codification
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Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2016
Advertising Expense		$ 1,500,000	$ 1,000,000	$ 1,100,000
Period for Creating Allowance for Doubtful Accounts		120 days
Provision for Doubtful Accounts		$ 1,900,000	600,000	1,300,000
Property, Plant and Equipment, Additions		102,700,000
Asset Retirement Obligation		793,000	701,000
Asset Retirement Obligation, Accretion Expense		$ 15,000	$ 34,000	$ 6,000
Scenario, Forecast [Member] \| Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncement Effect, Right of Use Assets	$ 13,200,000
New Accounting Pronouncement Effect, Lease Obligation Liability	$ 13,200,000
Sales Revenue, Services, Net [Member] \| Customer Concentration Risk [Member] \| Automotive [Member]
Concentration Risk, Percentage		22.00%
Sales Revenue, Services, Net [Member] \| Customer Concentration Risk [Member] \| Medical [Member]
Concentration Risk, Percentage		10.00%
Sales Revenue, Services, Net [Member] \| Customer Concentration Risk [Member] \| Restaurant [Member]
Concentration Risk, Percentage		7.00%
Tarzian [Member] \| Common Stock [Member]
Cost Method Investments, Ownership Percentage					32.40%
Tarzian [Member] \| Dividends Liquidation Dissolution [Member]
Cost Method Investments, Ownership Percentage					67.90%