Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Payables And Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following (in thousands):

	December 31,
	2017		2016
Accrued wages and benefits	$	3,817	$	1,828
Accrued clinical expenses		3,826		1,080
Accrued operating expenses		1,529		1,057
Deferred revenue		1,202		237
Accrued cost of equity raise		186		264
Accrued R&D licensing fees		5,729		12,988
Accrued inventory purchases		6,835		—
Accrued tax withholdings		357		—
Accrued selling fees and rebates		788		—
Accrued construction costs		2,709		—
Accrued consulting costs		—		515
Accrued interest		—		987
Total accrued expenses	$	26,978	$	18,956