September 30, 2019

December 31, 2018

Accounts payable:

Clinical and regulatory expenses

$

352

$

83

Professional fees

1,531

2,157

Selling expenses

552

382

Manufacturing costs

4,171

—

Other vendors

794

980

Total accounts payable

7,400

3,602

Accrued interest payable, related parties

36

842

Accrued interest payable

824

2,138

Accrued expenses:

Payroll expenses

819

713

Government rebates and other incentives

1,350

1,744

Other accrued expenses

277

83

Total accrued expenses

2,446

2,540

Total accounts payable and accrued expenses

$

10,706

$

9,122