Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Schedule of inventories

	September 30, 2022		December 31, 2021
	(in thousands)
Raw materials	$	368	$	468
Work-in-process		380		328
Finished goods		192		330
	$	940	$	1,126

Schedule of property and equipment

	September 30, 2022			December 31, 2021
	(in thousands)
Machinery, equipment and tooling	$	3,296		$	3,296
Buildings		1,711			1,711
Information systems		819			819
Land and land improvements		594			594
Furniture and fixtures		7			7
Total cost		6,427			6,427
Accumulated depreciation and amortization		(4,216	)		(4,126	)
Property and equipment, net	$	2,211		$	2,301

Schedule of net proceeds from the loan

	Proceeds From Mortgage Loan
	(in thousands)
Initial loan amount	$	1,620
Loan costs		(22	)
Escrow funding for property tax		(38	)
Net proceeds from mortgage loan	$	1,560

Schedule of future maturities of long-term debt

	September 30, 2022			December 31, 2021
	(in thousands)
Mortgage note	$	1,617		$	—
Unamortized loan costs		(21	)		—
Total debt		1,596			—
Less: short-term portion		24			—
Long-term portion	$	1,572		$	—

Schedule of debt obligations

	Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021
	(in thousands)
Interest expense	$	12	$	—	$	12	$	—
Amortization of loan costs		1		—		1		—
Total interest expense	$	13	$	—	$	13	$	—

Schedule of future maturities of long-term debt

	Principal Portion of Payment		Amort. Of Loan Costs			Debt, Net of Unamortized Loan Costs
	(in thousands)
2023	$	29	$	(5	)	$	24
2024		30		(4	)		26
2025		32		(4	)		28
2026		34		(4	)		30
2027		1,492		(4	)		1,488
Total	$	1,617	$	(21	)	$	1,596