UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash Flows From Operating Activities:
Net (Loss) Income	$ (4,760)	$ 276
Adjustments To Reconcile Net Loss To Net Cash Used In Operating Activities:
Depreciation and Amortization	1,646	1,637
Stock-based Compensation	1,359	910
Write-off of Inventory	178	0
Change in Inventory Reserves	(61)	314
Non-cash Lease Expense from Right of Use Assets	1,616	1,446
Amortization of Debt Financing Costs and Accretion of Debt Discount and Premium	265	337
Loss on Disposal of Assets	56	0
Realized Gain on Sale of Investments	(181)	(51)
Gain on ROU early terminations	(24)	0
Changes in Operating Assets and Liabilities:
Accounts Receivable	(37)	2,024
Inventory	1,875	(331)
Prepaid and Other Assets	470	541
Accounts Payable	(1,344)	(1,909)
Lease Liabilities	(1,229)	(1,072)
Accrued and Other Liabilities	(2,304)	(751)
Deferred License Revenue	(475)	(34)
Net Cash (Used In) Provided By Operating Activities	(2,950)	3,337
Cash Flows From Investing Activities:
Purchases of Investments Available-for-Sale	(12,957)	(5,921)
Proceeds from sales of Investments Available-for-Sale	9,000	2,003
Purchases of Equipment	(456)	(616)
Net Cash Used In Investing Activities	(4,413)	(4,534)
Cash Flows From Financing Activities:
Payments on Insurance Financing Note Payable	(466)	(445)
Payments on Financing Lease Liabilities	(418)	(416)
Proceeds from Issuance of Common Stock	7,816	6,393
Deferred Consideration Paid in Connection with Evoqua Asset Acquisition	(1,621)	(976)
Net Cash Provided By Financing Activities	5,311	4,556
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	(4)
Net (Decrease) Increase in Cash and Cash Equivalents	(2,052)	3,355
Cash and Cash Equivalents at Beginning of Period	15,662	8,983
Cash and Cash Equivalents at End of Period	13,610	12,338
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Interest	575	645
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Issuance of Warrant in Connection with the Third Amendment as Debt Issuance Costs	0	247
Right of Use Assets - Operating Obtained in Exchange for Lease Liabilities - Operating	1,006	1,984
De-recognition of Lease Liability - Finance and ROU Asset - Finance upon early termination	228	0
Change in Unrealized Gain on Investments Available-for-Sale	19	13
Increase in Prepaid Assets from Insurance Financing Note Payable	660	670
Proceeds from Issuance of Common Stock Upon Exercise of Options in Accounts Receivable, net	$ 0	$ 9