CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities
Net comprehensive loss	$ (31,222,000)	$ (29,057,000)
Adjustments to reconcile net comprehensive loss to net cash used in operating activities:
Changes in fair value of freestanding and hybrid financial instruments designated at Fair Value Option	4,721,000	6,920,000
Loss (gain) on extinguishment of debt	1,822,000	(1,245,000)
Depreciation and amortization expenses	1,436,000	1,422,000
Stock-based compensation, vested and released restricted stock units, and exercised stock options	715,000	1,269,000
Amortization of operating lease - right-of-use asset	223,000	343,000
Share in joint venture's loss	120,000	78,000
Amortization of debt issuance costs, debt discount, and non-cash interest expense		274,000
Shares issued in exchange for services		9,000
Changes in assets and liabilities
Accounts receivable	90,000	718,000
Other receivable	63,000	160,000
Inventory	(283,000)	(485,000)
Prepaid expenses and other current assets	(859,000)	(1,703,000)
Other assets	108,000	(331,000)
Accounts payable	3,097,000	(423,000)
Accrued liabilities	2,109,000	65,000
Deferred revenue	(128,000)	765,000
Operating lease liability	(210,000)	(337,000)
Total cash used in operating activities	(18,198,000)	(21,558,000)
Cash flows from investing activity
Purchase of furniture and fixtures	(54,000)
Purchase of equipment		(16,000)
Total cash used in investing activity	(54,000)	(16,000)
Cash flows from financing activities
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $161 and $127 in 2025 and 2024, respectively	6,331,000	27,759,000
Proceeds from Convertible Notes	3,445,000
Proceeds from issuance of preferred shares in PIPE financing, net of issuance cost	2,377,000
Repayment of insurance financing	(482,000)	(437,000)
Payment of Tempesta Note	(50,000)	(100,000)
Payment of Convertible Notes	(50,000)
Proceeds from issuance of common shares in exchange for License Agreement		1,150,000
Total cash provided by financing activities	13,880,000	28,372,000
Effects of foreign exchange rate changes on assets and liabilities	(103,000)	2,000
Net increase (decrease) in cash	(4,475,000)	6,800,000
Cash at beginning of the period	8,002,000	6,469,000
Cash at end of the period	3,527,000	13,269,000
Supplemental schedule of cash flow information
Cash paid for interest	15,000	14,000
Supplemental schedule of non-cash financing and investing activities
First Insurance Financing	681,000	519,000
Recognition of operating lease - right-of-use asset and operating lease liability	341,000	219,000
Umbrella Insurance Financing		52,000
Convertible Notes
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	865,000
Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of another class of preferred stock	2,485,000
Streeterville | Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	2,250,000	4,485,000
Streeterville | Common Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	983,000	166,000
Shares issued in exchange of preferred stock		1,999,000
Irving | Common Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	1,210,000
Iliad | Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	4,800,000
Iliad | Common Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	1,100,000	$ 4,906,000
HCW Investors
Cash flows from financing activities
Proceeds from issuance of common shares/Gross proceeds from combined offerings	1,309,000
Brown Stone Capital Limited
Cash flows from financing activities
Proceeds from issuance of common shares/Gross proceeds from combined offerings	$ 1,000,000