SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2019

SIGNIFICANT ACCOUNTING POLICIES

Schedule of amortized cost basis, fair value and net unrealized loss of the available-for-sale securities

December 31,	2019						2018
	Amortized				Net		Amortized				Net
	Cost		Fair		Unrealized		Cost		Fair		Unrealized
Type of Securities	Basis		Value			Loss	Basis		Value			Loss
(in thousands)
Municipal Obligations	$	—	$	—	$	—	$	1,490	$	1,490	$	—
Corporate Obligations		—		—		—		6,184		6,175		(9)
Total	$	—	$	—	$	—	$	7,674	$	7,665	$	(9)

Schedule of analysis of warranty accruals

(in thousands)	2019		2018
Balance at beginning of year	$	5,607	$	5,373
Less: Payments made during the year		(4,004)		(3,944)
Add: Warranty provision for the current year		3,788		3,901
Changes to warranty provision for prior years		19		277
Balance at end of year	$	5,410	$	5,607

Schedule of reconciliation of weighted average shares outstanding

(In thousands)	2019		2018		2017
Net income available for stockholders	$	28,239	$	28,488	$	19,300
Less: Adjustments for earnings attributable to participating securities		(669)		(762)		(595)
Net income used in calculating earnings per share	$	27,570	$	27,726	$	18,705
Weighted average shares outstanding (including participating securities)		34,061		34,529		34,843
Adjustment for participating securities		(831)		(959)		(1,091)
Shares used in calculating diluted earnings per share		33,230		33,570		33,752