v3.26.1
NOTE 1 — Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]  
Activities in allowance for doubtful accounts
             
Year  Balance at
Beginning of Year
  Charged to
Costs and
Expenses
  Amounts
Written Off
  Balance at
End of
Year
             
 2025   $40,651   $     $     $40,651 
 2024   $40,651   $     $     $40,651 
Inventory Components
                
   December 31,
   2025  2024
Raw materials and sub-assemblies  $5,006,124   $5,716,202 
Finished goods   350,640    221,241 
Inventory reserves   (1,135,942)   (995,943)
Inventory, net  $4,220,822  $4,941,500
Prepaid Expenses and Other Current Assets
                
   December 31,
   2025  2024
Prepaid insurance  $63,939   $73,008 
Product certification costs   139,617    102,716 
Prepaid inventory purchases   224,031    113,340 
Prepaid maintenance contracts and other prepaid expenses   120,792    141,655 
Prepaid expenses and other current assets  $548,379  $430,719
Customers who accounted for at least 10% of the Company's accounts receivable balances
                
   December 31,
   2025  2024
Bluestar, Inc.   43%   32%
ScanSource, Inc.   19%   19%
EET UK Distribution Ltd.   11%   * 
Ingram Micro Inc.   *    15%
* Customer accounted for less than 10% of the Company’s accounts receivable balances
Warranty
                                 
Year  Balance at
Beginning of Year
  Additional Warranty Reserves  Amounts
Charged to Reserves
  Balance at
End of
Year
             
 2025   $78,871   $8,076   $(8,076)  $78,871 
 2024   $78,871   $10,038   $(10,038)  $78,871 
Net Inome (Loss) Per Share Applicable to Common Stockholders
                
   Years Ended December 31,
   2025  2024
Numerator:      
   Net loss   $(14,378,538)  $(2,242,350)
          
Denominator: Weighted average shares outstanding used in computing net loss per share:          
          Basic    7,925,328    7,557,622 
          Diluted    7,925,328    7,557,622 
 Net loss per share applicable to common stockholders:          
          Basic   $(1.81)  $(0.30)
          Diluted   $(1.81)  $(0.30)
Revenues for geographic areas (in $'000)
                
   Years Ended December 31,
Revenues: (in thousands)  2025  2024
   United States   $11,131   $13,863 
   Europe    2,086    2,318 
   Asia and rest of world    1,861    2,582 
   Total  $15,078  $18,763
Customers who accounted for at least 10% of total revenues
                
   Years Ended December 31,
   2025  2024
BlueStar, Inc.   33%   32%
ScanSource, Inc.   10%   * 
Ingram Micro Inc.   *    16%
*Customers accounted for less than 10% of total revenues