Balance Sheet Account Detail (Tables)

3 Months Ended

Mar. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Property and Equipment

Property and equipment consisted of the following:

	March 31, 2019			December 31, 2018
Production equipment, molds and office furniture	$	11,451		$	11,854
Computer hardware and software	8,252			8,235
Leasehold improvements	15,535			15,535
Construction in progress (software and related implementation, production equipment and leasehold improvements)	963			993
Property and equipment, at cost	36,201			36,617
Accumulated depreciation	(20,965		)	(20,584		)
Property and equipment, net	$	15,236		$	16,033

Schedule of Inventories

Inventories consisted of the following:

	March 31, 2019		December 31, 2018
Raw materials	$	4,924	$	4,636
Work-in-process	7,501		6,401
Finished goods	17,777		19,362
Total Inventories	$	30,202	$	30,399

Schedule of Carrying Amount of Goodwill

The change in the carrying amount of goodwill for the three months endedMarch 31, 2019 was as follows:

Balance at December 31, 2018	$	120,848
Foreign currency translation adjustment	(33		)
Balance at March 31, 2019	$	120,815

Schedule of Goodwill and Intangible Assets

Other intangible assets consisted of the following:

	March 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Indefinite-lived intangible assets:
Trademarks and trade names	$	2,708	N/A			$	2,708	$	2,708	N/A			$	2,708
In-process research and development	$	11,200	N/A			11,200		11,200		N/A			11,200
Total indefinite-lived intangible assets	13,908					13,908		13,908					13,908
Finite-lived intangible assets:
Developed technology	67,600		(11,331		)	56,269		67,600		(10,657		)	56,943
Customer relationships	7,500		(2,375		)	5,125		7,500		(2,188		)	5,312
Total finite-lived intangible assets	75,100		(13,706		)	61,394		75,100		(12,845		)	62,255
Other intangible assets, net	$	89,008	$	(13,706	)	$	75,302	$	89,008	$	(12,845	)	$	76,163

Schedule of Estimated Amortization Expense

Estimated amortization expense for the 5 succeeding years and thereafter is as follows:

Remainder of 2019	$	2,584
2020	3,684
2021	4,283
2022	5,628
2023	7,781
Thereafter	37,434
Total	$	61,394

Schedule of Assets and Liabilities Measured at Fair Value

The following fair value hierarchy table presents information about each major category of the Company’s assets and liabilities measured at fair value on a recurring basis as of March 31, 2019 and December 31, 2018:

		March 31, 2019								December 31, 2018
		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial liabilities:
Contingently issuable common stock	(a)	$	—	$	—	$	2,000	$	2,000	$	—	$	—	$	2,200	$	2,200
Derivative liabilities	(b)	—		—		6,035		6,035		—		—		4,012		4,012
Total financial liabilities		$	—	$	—	$	8,035	$	8,035	$	—	$	—	$	6,212	$	6,212

(a)     Included in other liabilities in the Condensed Consolidated Balance Sheets. See Note 9 for additional details.

(b)     See Note 6 for additional details.

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

Changes in the fair value of the Company’s Level 3 liabilities were as follows:

	Contingently issuable common stock (a)			Derivative liabilities (b)
Balance at December 31, 2018	$	2,200		$	4,012
Additions	—			—
Fair value adjustment	(200		)	2,023
Balance at March 31, 2019	$	2,000		$	6,035

(a)     See Note 9 for additional details.

(b)     See Note 6 for additional details.

Schedule Of Fair Values And Book Values Of Long-Term Debt

The table below summarizes the carrying and fair values of the Company’s long-term debt:

	March 31, 2019				December 31, 2018
	Carrying value		Fair value		Carrying value		Fair value
Term loan facility	$	114,701	$	127,477	$	117,880	$	116,916
Convertible senior notes	84,500		57,916		75,917		50,489
Other debt	4,281		1,280		4,281		1,221
	$	203,482	$	186,673	$	198,078	$	168,626