Represents the information about dividends payable increased percentage.

No definition available.

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- Definition

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.

+ References

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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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- Definition

Amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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No definition available.

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

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No definition available.

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals 2) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 22, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Prepaid expenses related to unamortized product brochure costs		$ 243,000	$ 342,000
Net realized (losses) gains on marketable securities		(81,000)	30,000	$ (39,000)
Reclassification of net realized (losses) gains from other comprehensive income		(81,000)	30,000	(39,000)
Gross unrealized gains on marketable securities		3,000	0
Gross unrealized losses on marketable securities		12,000	70,000
Unrealized loss on marketable securities totaled		9,000	70,000
Selling, general and administrative expenses
Significant Accounting Policies [Line Items]
Advertising expenses		$ 2,468,000	$ 2,305,000	$ 2,545,000
Dividend declared
Significant Accounting Policies [Line Items]
Amount of dividend payable in cash per share		$ 0.10
Subsequent Event \| Dividend declared
Significant Accounting Policies [Line Items]
Percentage of increased dividends payable	20.00%
Amount of dividend payable in cash per share	$ 0.12
Dividends payable, date declared	Jan. 22, 2019
Dividend payable, date to be payable	Mar. 11, 2019
Dividends payable, date of record	Feb. 11, 2019