Stockholders’ equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands						1 Months Ended			3 Months Ended
	Oct. 12, 2023	Oct. 11, 2023	May 04, 2023	Jan. 11, 2023	Jan. 11, 2023	Mar. 31, 2024	Mar. 25, 2024	Oct. 26, 2023	Mar. 31, 2024	Dec. 31, 2023	May 31, 2023
Class of Stock [Line Items]
Common stock share authorized						100,000,000			100,000,000	100,000,000
Common stock issued			60,500			1,303,739			1,303,739	1,282,686
Preferred Stock, shares authorized						10,000,000			10,000,000
Preferred stock shares unissued						6,999,000			6,999,000
Preferred stock, share undesignated						6,999,000			6,999,000
Common stock par value per share	$ 0.01	$ 0.01	$ 0.01
Exercise price of common warrants (in Dollars per share)			$ 7.785	$ 26.50
Exercise price per share (in Dollars per share)				0.10
Exercise price per share				$ 26.50	$ 26.50						$ 7.785
Pre-funded warrants			389,083
Common warrants issued			449,583
Price per share of common stock and accompanying common warrant (in Dollars per share)			$ 7.785
Price per share of pre-funded warrant and common warrants (in Dollars per share)			$ 7.685
Gross Proceeds from Equity Transaction			$ 3,500
Net proceeds (in Dollars)			$ 3,000
Additional consideration exercise price (in Dollars per share)								$ 0.25
Number of repriced warrants to purchase shares			639,691
Number of warrants exercised (in Shares)								200,000
Gross proceeds for the warrant inducement (in Dollars)								$ 2,057
Price per share of Series D Preferred Stock		1,000
Price per share		$ 4.09
Affiliates holding percentage		19.99%
Warrants available for inducement (in shares)	1,089,274
Exercise prices	$ 7.785
Additional consideration required	$ 0.25
Common stock percentage	100.00%
Number of options, forfeited									83
Number of options, expired									88
Restricted stock units outstanding						6,913			6,913
Equity Option [Member]
Class of Stock [Line Items]
Stock option outstanding						9,453			9,453
Two Thousand Fifteen Plan [Member]
Class of Stock [Line Items]
Stock option description									In addition, the number of shares that have been authorized for issuance under the 2015 Plan will be automatically increased on the first day of each fiscal year beginning on January 1, 2016 and ending on (and including) January 1, 2025, in an amount equal to the lesser of (1) 4% of the outstanding shares of common stock on the last day of the immediately preceding fiscal year, or (2) another lesser amount determined by the Company’s Board of Directors.
Shares added						48,058			48,058
Remaining shares						40,441			40,441
Warrant [Member]
Class of Stock [Line Items]
Additional consideration required	$ 0.25
Restricted Stock Units (RSUs) [Member]
Class of Stock [Line Items]
Number of options, forfeited									1,413
Number of options, granted									21,053
Number of options, vested									21,053
Minimum [Member]
Class of Stock [Line Items]
Minimum warrant exercise price from prior offerings (in Dollars per share)			$ 26.50
Maximum [Member]
Class of Stock [Line Items]
Exercise price per share			7.785
Maximum warrant exercise price from prior offerings (in Dollars per share)			75.40
Common Stock [Member]
Class of Stock [Line Items]
Common stock par value per share			0.10
Additional consideration exercise price (in Dollars per share)			$ 0.25
Common Stock Capital Shares Reserved For Future Issuance Amount
Class of Stock [Line Items]
Exercise prices	$ 3.36
Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Common stock issued				32,121	32,121
Prefunded warrants				226,500	226,500
Prefunded Warrants Offering Price Per Share (in Dollars per share)				$ 28.90	$ 28.90
Securities Purchase Agreement [Member] | Common Stock [Member]
Class of Stock [Line Items]
Common stock par value per share				0.01	0.01
Price per share of common stock and common warrant (in Dollars per share)				$ 29.00	29.00
Securities Purchase Agreement [Member] | Common Warrants Issued
Class of Stock [Line Items]
Gross proceeds (in Dollars)				$ 7,500
Net proceeds (in Dollars)				$ 6,900
Series A1 Common Warrants [Member]
Class of Stock [Line Items]
Aggregate warrants				258,621
Series A2 Common Warrants [Member]
Class of Stock [Line Items]
Aggregate warrants				258,621
Exercise price per share (in Dollars per share)					$ 0.10
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, shares authorized		1,000
Preferred Stock, par value		$ 0.01
Price per share of Series D Preferred Stock		$ 1,000
Series E Preferred Stock [Member] | March 2024 Purchase Agreement [Member] | David E. Lazar [Member]
Class of Stock [Line Items]
Sale of stock						3,000,000	3,000,000
Gross proceeds						$ 3,000	$ 3,000
Sale of stock description							On March 25, 2024, Mr. Lazar paid $200,000 at the initial closing of the transactions under the March 2024 Purchase Agreement in exchange for 200,000 shares of Series E Preferred Stock. Mr. Lazar subsequently paid $200,000 and $150,000 on April 5, 2024 and April 23, 2024, respectively, in exchange for an additional 350,000 shares of Series E Preferred Stock.
Conversion basis							Each share of Series E Preferred Stock is convertible into 2.4 shares of the Company’s common stock (“Common Stock”)