Note G - Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Convertible Debt [Table Text Block]

	December 31,
	2019			2018
Deerfield Convertible Note	$	6,981		$	6,667
2021 Notes		3,000			76,673
December 2019 Notes		70,218			-
Total outstanding principal on debt obligations		80,199			83,340
Less: debt issuance costs and discounts		(2,856	)		(1,902	)
Convertible notes, net	$	77,343		$	81,438

Schedule of Maturities of Long-term Debt [Table Text Block]

	Convertible
Year Ending December 31,	Notes
2020	$	-
2021		80,199
Total minimum principal payments		80,199
Less: debt issuance costs and discounts		(2,856	)
Convertible notes, net	$	77,343