Nature of Business and Basis of Presentation, Nature of Business, Going Concern, Accounts Receivable and Inventories (Details) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 24, 2024 USD ($) $ / shares shares	Apr. 30, 2024 USD ($) Warrant $ / shares shares	Jun. 30, 2024 USD ($) Customer $ / shares	Jun. 30, 2023 Customer	Jun. 30, 2024 USD ($) Customer $ / shares	Jun. 30, 2023 Customer	Dec. 31, 2023 USD ($) Customer	Aug. 13, 2024 $ / shares shares
Going Concern [Abstract]
Accumulated deficit			$ (299,681)		$ (299,681)		$ (287,626)
Reduce our monthly cash burn rate					40.00%
Merit increases to base salaries of named executive officer or employee					$ 0
Cash bonuses to named executive officer or employee					$ 0
Revenue Recognition [Abstract]
Accounts receivables maximum credit period from invoice date					30 days
Allowance for doubtful accounts			0		$ 0		0
Inventories [Abstract]
Finished Goods			470		470		393
Work in Process			307		307		207
Raw Materials			1,234		1,234		1,472
Inventory Reserves			(44)		(44)		(75)
Total			$ 1,967		$ 1,967		$ 1,997
Net Sales [Member]
Revenue Recognition [Abstract]
Number of major customers | Customer			2	2	2	2
Accounts Receivable [Member]
Revenue Recognition [Abstract]
Number of major customers | Customer					1		2
Customer One [Member] | Net Sales [Member] | Customer Concentration Risk [Member]
Revenue Recognition [Abstract]
Concentration risk percentage			16.00%	16.00%	19.00%	14.00%
Customer One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Revenue Recognition [Abstract]
Concentration risk percentage					27.00%		14.00%
Customer Two [Member] | Net Sales [Member] | Customer Concentration Risk [Member]
Revenue Recognition [Abstract]
Concentration risk percentage			12.00%	13.00%	11.00%	13.00%
Customer Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Revenue Recognition [Abstract]
Concentration risk percentage							15.00%
Securities Purchase Agreement [Member] | Subsequent Event [Member]
Going Concern [Abstract]
Issuance of common stock, net (in shares) | shares	469,340
Warrants to purchase shares of common stock (in shares) | shares	938,680
Common stock offering price per share (in dollars per share) | $ / shares	$ 4.24
Exercise price of warrants (in dollars per share) | $ / shares	$ 3.99
Warrant expiry period	5 years
Gross proceeds before deducting placement agent fees and commissions and offering expenses	$ 2,000
April 2024 Offering [Member]
Going Concern [Abstract]
Issuance of common stock, net (in shares) | shares		240,571
Issuance of common stock for pre-funded warrants (in shares) | shares		80,854
Warrants to purchase shares of common stock (in shares) | shares		482,146
Common stock offering price per share (in dollars per share) | $ / shares		$ 8.4
Number of warrants included in each unit | Warrant		1
Warrants to purchase common shares (in shares) | shares		1.50
Exercise price of warrants (in dollars per share) | $ / shares		$ 14
Warrant expiry period		5 years			5 years
Gross proceeds before deducting placement agent fees and commissions and offering expenses		$ 2,700
April 2024 Offering [Member] | Subsequent Event [Member]
Going Concern [Abstract]
Warrants to purchase shares of common stock (in shares) | shares								2,710,734
Exercise price of warrants (in dollars per share) | $ / shares								$ 2.49
April 2024 Offering [Member] | Warrants to Purchase Common Stock [Member]
Going Concern [Abstract]
Warrants to purchase common shares (in shares) | shares		1
Number of trading days		5 days			5 days
Floor price per share (in dollars per share) | $ / shares		$ 0.06	$ 0.06		$ 0.06
April 2024 Offering [Member] | Warrants to Purchase Common Stock [Member] | Subsequent Event [Member]
Going Concern [Abstract]
Warrants to purchase shares of common stock (in shares) | shares								2,710,734
Exercise price of warrants (in dollars per share) | $ / shares								$ 2.49