Condensed Consolidated Balance Sheets (unaudited) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 1,633,166	$ 1,151,823
Accounts receivable, net	24,401	103,316
Prepaid expenses and other current assets	1,559,786	324,735
Total current assets	3,217,353	1,579,874
Property and equipment, net	1,117,245
Finance lease right-of-use assets, net		138
Operating lease right-of-use assets	832,966
Other noncurrent assets	302,262	302,262
Total assets	5,469,826	1,882,274
Current liabilities
Accounts payable	103,868	111,149
Accrued compensation and benefits	49,146	127,601
Accrued liabilities	89,173	135,476
Deferred revenue		25,926
EIB loan guaranty		10,873,867
Short-term insurance financing	180,555
Short-term finance lease liabilities		280
Short-term operating lease liabilities	167,021	147,943
Total current liabilities	589,763	11,422,242
Long-term operating lease liabilities, net of short-term amount	1,893,794	2,021,616
Total liabilities	2,483,557	13,443,858
Stockholders’ equity (deficit)
Common stock, $0.01 par value; 100,000,000 shares authorized; 10,068,111 and 1,282,686 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	100,681	12,827
Additional paid-in capital	300,736,192	293,991,529
Accumulated deficit	(297,850,606)	(305,493,302)
Accumulated other comprehensive loss		(75,138)
Total stockholders’ equity (deficit)	2,986,269	(11,561,584)
Total liabilities and stockholders’ equity	5,469,826	1,882,274
Preferred Stock Series D [Member]
Stockholders’ equity (deficit)
Preferred stock, value	$ 2	$ 2,500