Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of recoveries of premiums receivable that were previously written off as bad debts.

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Acquisition of Mophie (Textual)

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It represents of the pro forma information, nature of adjustments made to historical information to arrive at pro forma amounts, amounts excluded from pro forma information, any material-nonrecurring items included in the pro forma information and limitations of pro forma disclosures.

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The pro forma net income or expenses for the period as if the business combination or combinations had been completed at the beginning of a period.

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Negative working capital at acquisition date.

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Earnout is a contractual provision stating that the seller of a business is to obtain additional future compensation based on the business achieving certain future financial goals.

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Acquisition of Mophie Inc. - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 03, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 31, 2017
Aquisition of Mophie Inc. (Textual)
Transaction costs		$ 725	$ 2,591	$ 179
Mophie Inc
Aquisition of Mophie Inc. (Textual)
Cash consideration	$ 100,000
Earn out consideration	20,000
Paid to principal shareholders in escrow account	2,000
Insurance policy amount	10,000
Insurance policy deductible amount	2,000
Negative working capital at Acquisition Date	(23,478)
Working capital adjustment, net	49,795
Additional working capital deficit	(26,317)
Purchase price	62,344
Adjustments to fair value of working capital	12,139				$ 14,967
Goodwill acquired for deductible for tax purposes	160
Net sales			113,749
Net loss before tax			(31,145)
Pro forma net loss amortization expense			6,770	7,432
Amortization of debt issuance cost			$ 1,753	1,924
Business acquisition pro forma information				$ 2,586
Prelminary Allocation \| Mophie Inc
Aquisition of Mophie Inc. (Textual)
Cash consideration	100,000
Negative working capital at Acquisition Date	(23,478)
Additional working capital deficit	0
Purchase price	87,805
Adjustments to fair value of working capital	11,283
Adjustments to Working Capital and Fair Value \| Mophie Inc
Aquisition of Mophie Inc. (Textual)
Cash consideration	0
Negative working capital at Acquisition Date	0
Additional working capital deficit	(26,317)
Purchase price	(25,461)
Adjustments to fair value of working capital	$ 856