Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 22,118	$ 18,164
Marketable securities	66,939	61,178
Accounts receivable, net	7,664	3,515
BARDA receivables	30	898
Prepaids and other current assets	1,659	1,578
Inventory	5,596	2,125
Total current assets	104,006	87,458
Marketable securities long-term		6,930
Plant and equipment, net	1,877	1,200
Operating lease right-of-use assets	2,440	851
Corporate-owned life insurance ("COLI") asset	2,475	1,238
Intangible assets, net	487	465
Other long-term assets	355	122
Total assets	111,640	98,264
LIABILITIES, NON-QUALIFIED DEFERRED COMPENSATION PLAN SHARE AWARDS AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	3,793	3,002
Accrued wages and fringe benefits	7,972	6,623
Current non-qualified deferred compensation ("NQDC") liability	168	78
Other current liabilities	1,266	990
Total current liabilities	13,199	10,693
Long-term debt	39,812
Non-qualified deferred compensation liability	3,663	1,270
Contract liabilities	357	698
Operating lease liabilities, long term	1,702	306
Warrant liability	3,158
Total liabilities	61,891	12,967
Non-qualified deferred compensation plan share awards	693	557
Commitments and contingencies (Note 13)
Stockholders' equity:
Common stock, $0.0001 par value per share, 200,000,000 shares authorized, 25,682,078 and 25,208,436, shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	3	3
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized, no shares issued or outstanding at December 31, 2023 and December 31, 2022.	0	0
Company common stock held by the non-qualified deferred compensation plan	(1,130)	(127)
Additional paid-in capital	350,039	339,825
Accumulated other comprehensive income/(loss)	(1,887)	7,627
Accumulated deficit	(297,969)	(262,588)
Total stockholders' equity	49,056	84,740
Total liabilities, non-qualified deferred compensation plan share awards and stockholders' equity	$ 111,640	$ 98,264