SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

SIGNIFICANT ACCOUNTING POLICIES

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

December 31,	2016							2015
Type of Securities	Amortized Cost Basis		Fair Value		Net Unrealized Loss			Amortized Cost Basis		Fair Value		Net Unrealized Loss
(in thousands)
Municipal Obligations	$	9,379	$	9,330	$	(49	)	$	30,996	$	30,996	$	—
Corporate Obligations		—		—		—			3,961		3,958		(3	)
Total	$	9,379	$	9,330	$	(49	)	$	34,957	$	34,954	$	(3	)

Schedule of analysis of warranty accruals

(in thousands)	2016			2015
Balance at beginning of year	$	3,405		$	3,836
Less: Payments made during the year		(2,856	)		(1,653	)
Add: Warranty provision for the current year		3,527			2,074
Changes to warranty provision for prior years		553			(852	)
Balance at end of year	$	4,629		$	3,405

Schedule of reconciliation of weighted average shares outstanding

(In thousands)	2016			2015			2014
Net income available for stockholders	$	16,745		$	14,306		$	8,914
Less:  Adjustments for earnings attributable to participating securities		(535	)		(464	)		(283	)
Net income used in calculating earnings per share	$	16,210		$	13,842		$	8,631
Weighted average shares outstanding (including participating securities)		37,857			36,955			36,937
Adjustment for participating securities		(1,224	)		(1,252	)		(1,246	)
Shares used in calculating basic earnings per share		36,633			35,703			35,691
Dilutive effect of stock based awards		—			192			291
Shares used in calculating diluted earnings per share		36,633			35,895			35,982