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1. Business and Principal Activities (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended 13 Months Ended
Aug. 30, 2021
Aug. 25, 2021
Aug. 05, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Subsidiary, Sale of Stock [Line Items]            
Class of warrant or right, exercise price of warrants or rights       $ 10.80 $ 10.80 $ 10.80
Over allotment option to purchase       160,212    
Aggregate gross proceeds       $ 14,563  
Stockholders equity, reverse stock split     1-for-5 reverse stock split      
Cash and cash equivalents, and Marketable securities       6,400   $ 6,400
Net loss       9,889 6,324  
Accumulated deficit       31,173 $ 21,284 $ 31,173
Maximum possible proceeds from offerings       $ 50,000    
Underwriter [Member]            
Subsidiary, Sale of Stock [Line Items]            
Class of warrant or right, number of securities called by each warrant or right       3,035,195   3,035,195
IPO [Member]            
Subsidiary, Sale of Stock [Line Items]            
Sale of stock, number of shares issued in transaction   1,850,000        
Sale of stock, price per share   $ 9.00        
Class of warrant or right, exercise price of warrants or rights $ 10.80          
Aggregate gross proceeds   $ 16,700        
Underwriting discounts and commissions   1,300        
Other expenses   800        
Net proceeds from intial public offering   $ 14,600        
Conversion of stock, shares issued   3,535,469        
Debt conversion, converted instrument, amount   $ 5,300        
Debt instrument, description   converted at a 20% and 12.5% discount to the IPO price, respectively, into an aggregate of 708,820 units. Each unit consisted of (a) one share of common stock and (b) one five-year warrant to purchase one share of common stock at an exercise price equal to $10.80 per share        
Debt conversion, converted instrument, shares   708,820        
Proceeds from sale of equity           $ 35,000
IPO [Member] | Underwriter [Member] | Over Allotment Options [Member]            
Subsidiary, Sale of Stock [Line Items]            
Over allotment option to purchase 277,500          
IPO [Member] | Underwriter [Member] | Warrant [Member]            
Subsidiary, Sale of Stock [Line Items]            
Class of warrant or right, exercise price of warrants or rights   $ 10.80        
Class of warrant or right, number of securities called by each warrant or right   198,875        
IPO [Member] | Warrant [Member]            
Subsidiary, Sale of Stock [Line Items]            
Class of warrant or right, exercise price of warrants or rights   $ 10.80        
Warrants and rights outstanding, term   5 years