CONDENSED COMBINED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES:
Net loss	$ (23,990)	$ (27,583)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	6,248	5,892
Spinal hardware instrument replacement expense	760	496
Impairment of spinal hardware instruments	672	0
Provision for excess and obsolete inventories	3,652	1,439
Amortization of debt issuance costs	71	0
Deferred income tax benefit	(88)	0
Stock-based compensation	3,587	197
Allocation of non-cash charges from Integra	0	587
Changes in assets and liabilities
Accounts receivable	2,524	(351)
Inventories	(9)	(4,590)
Prepaid expenses and other current assets	1,481	(581)
Other non-current assets	5	1,213
Income taxes payable	0	90
Accounts payable, accrued expenses and other current liabilities	(2,626)	(420)
Other non-current liabilities	213	(104)
Net cash used in operating activities	(7,500)	(23,715)
INVESTING ACTIVITIES:
Purchases of property and equipment	(3,446)	(7,067)
Net cash used in investing activities	(3,446)	(7,067)
FINANCING ACTIVITIES:
Proceeds from the issuance of common stock	356	0
Other financing activity	(2)	0
Integra net investment prior to the spin-off	0	43,149
Net cash provided by financing activities	354	43,149
Effect of exchange rate changes on cash and cash equivalents	150	(2)
Net change in cash and cash equivalents	(10,442)	12,365
Cash and cash equivalents at beginning of period	33,429	652
Cash and cash equivalents at end of period	22,987	13,017
Non-cash financing activities:
Settlement of related-party payable to Integra net investment	0	29,022
Property and equipment in liabilities	$ 1,453	$ 531