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Note 2 - Marketable Securities

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

2.

Marketable Securities

The Company has classified its marketable securities as available-for-sale securities. These securities are carried at estimated fair value with unrealized holding gains and losses included in accumulated other comprehensive income(loss) in shareholders’ equity until realized. Gains and losses on marketable security transactions are reported on the specific-identification method. Dividend and interest income are recognized when earned.

The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of security at

December 31, 2018

and

2017

were as follows:

		Amortized cost				Gross unrealized holding gains				Gross unrealized holding losses				Estimated fair value
December 31, 201 8
Available-for-sale securities:
Corporate bonds and notes		$	2,911			$	1			$	(31	)		$	2,881
Municipal bonds			1,849				—				(15	)			1,834
Total available-for-sale securities		$	4,760			$	1			$	(46	)		$	4,715
December 31, 201 7
Available-for-sale securities:
Corporate bonds and notes		$	8,458			$	19			$	(49	)		$	8,428
Municipal bonds			4,637				1				(28	)			4,610
Total available-for-sale securities		$	13,095			$	20			$	(77	)		$	13,038

Maturities of marketable securities classified as available-for-sale securities were as follows at

December 31, 2018:

		Amortized				Estimated
		cost				fair value
Due within one year		$	955			$	951
Due after one year through five years			3,805				3,764
Total available-for-sale securities		$	4,760			$	4,715

Debt securities in an unrealized loss position as of

December 31, 2018

were

not

deemed impaired at acquisition and subsequent declines in fair value are

not

deemed attributed to declines in credit quality. Management believes that it is more likely than

not

that the securities will receive a full recovery of par value. The available-for-sale marketable securities in a gross unrealized loss position as of

December 31, 2018

are summarized as follows:

		Less than 12 months								More than 12 months								Total
		Estimated fair value				Gross unrealized holding losses				Estimated fair value				Gross unrealized holding losses				Estimated fair value				Gross unrealized holding losses
As of December 31, 201 8
Corporate bonds and notes		$	—			$	—			$	2,881			$	31			$	2,881			$	31
Municipal bonds			—				—				1,834				15				1,834				15
		$	—			$	—			$	4,715			$	46			$	4,715			$	46

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- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2209399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2324412

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2176304

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