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

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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.

+ References

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- Definition

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

This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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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. 23, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Significant Accounting Policies [Line Items]
Prepaid expenses related to unamortized product brochure costs		$ 342,000	$ 271,000
Net realized (losses) gains on marketable securities		30,000	(39,000)	$ 45,000
Reclassification of net realized (losses) gains from other comprehensive income		30,000	(39,000)	45,000
Gross unrealized gains on marketable securities			4,000
Gross unrealized losses on marketable securities		70,000	53,000
Selling, general and administrative expenses
Significant Accounting Policies [Line Items]
Advertising expenses		$ 2,305,000	$ 2,545,000	$ 2,480,000
Dividend declared
Significant Accounting Policies [Line Items]
Amount of dividend payable in cash per share		$ 0.07
Subsequent Event \| Dividend declared
Significant Accounting Policies [Line Items]
Percentage of increased dividends payable	43.00%
Amount of dividend payable in cash per share	$ 0.10
Dividends payable, date declared	Jan. 23, 2018
Dividend payable, date to be payable	Mar. 09, 2018
Dividends payable, date of record	Feb. 09, 2018