CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) - 3 months ended Dec. 31, 2016 - USD ($) $ in Thousands	Total	Common stock [Member]	Additional paid in capital [Member]	Accumulated other comprehensive loss [Member]	Accumulated deficit [Member]
Beginning, Balance at Sep. 24, 2016	$ (296,071)	$ 1	$ 614	$ 33,105	$ (329,791)
Beginning, Balance (in shares) at Sep. 24, 2016		11,801,369
Foreign currency translation adjustments	17,485	$ 0	0	17,485	0
Actuarial losses on pension plan	(1,256)	0	0	(1,256)	0
Shares issued in Merger	326,238	$ 1	326,237	0	0
Shares issued in Merger (in shares)		8,398,022
Earnout liability related to Merger (see Note 13)	(9,575)	$ 0	(9,575)	0	0
Sale of common stock	1,645	$ 0	1,645	0	0
Sale of common stock (in shares)		164,536
Stock-based compensation expense	36	$ 0	36	0	0
Net loss	(22,383)	0	0	0	(22,383)
Ending, Balance at Dec. 31, 2016	$ 16,119	$ 2	$ 318,957	$ 49,334	$ (352,174)
Ending Balance, (in shares) at Dec. 31, 2016		20,363,927