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Note 10 - Product Warranty Obligations

12 Months Ended

Dec. 31, 2014

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure [Text Block]

10. Product Warranty Obligations

The Company records a liability for product warranty obligations at the time of sale to a customer based upon historical warranty experience. The Company also records a liability for specific warranty matters when they become known and are reasonably estimable. The Company also sells extended warranty coverage for certain product. The sales of extended warranties are recorded as deferred revenue, and we recognize the revenue from sales of extended warranties over the life of the contracts. The Company’s product warranty obligations, including deferred revenue related to extended warranty coverage, are included in other accrued liabilities and other long-term liabilities in the consolidated balance sheets.

The following is a tabular reconciliation of the product warranty liability, excluding the deferred revenue related to our extended warranty coverage:

	Year Ended December 31,
	2014			2013			2012

Balance at beginning of year	$	33,734		$	36,111		$	24,643
Payments		(20,615	)		(18,484	)		(19,801	)
Provision for warranties issued		22,890			33,707			34,173
Changes in estimates for pre-existing warranties		(5,100	)		(17,600	)		(2,904	)
Balance at end of year	$	30,909		$	33,734		$	36,111

The following is a tabular reconciliation of the deferred revenue related to extended warranty coverage:

	Year Ended December 31,
	2014			2013			2012

Balance at beginning of year	$	23,092		$	13,474		$	9,737
Deferred revenue on extended warranty contracts sold		7,343			11,998			5,547
Amortization of deferred revenue on extended warranty contracts		(3,242	)		(2,380	)		(1,810	)
Balance at end of year	$	27,193		$	23,092		$	13,474

Product warranty obligations and warranty related deferred revenues are included in the balance sheets as follows:

	December 31,
	2014		2013
Product warranty liability
Current portion - other accrued liabilities	$	24,143	$	26,080
Long-term portion - other long-term liabilities		6,766		7,654
Total	$	30,909	$	33,734

Deferred revenue related to extended warranty
Current portion - other accrued liabilities	$	4,519	$	3,325
Long-term portion - other long-term liabilities		22,674		19,767
Total	$	27,193	$	23,092