Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Long-term debt and lease financing obligations

Long-term debt consisted of the following at December 31 (in thousands):

	2018			2017
Borrowings under term loan agreements	$	60,000		$	45,000
Paid in-kind interest on term loan agreements	400			4,315
Unamortized debt discounts	(2,004		)	(384		)
Long-term debt, net of discounts	$	58,396		$	48,931

Scheduled Future Payments of Principal for Outstanding Debt and Lease Financing Obligations

Scheduled future payments of principal for outstanding debt were as follows at December 31:

2019	$	—
2020	—
2021	—
2022	—
2023	—
Thereafter	60,400
	$	60,400