Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Feb. 29, 2020
Working Capital and Liquid Asset Position The Company’s working capital and liquid asset position is presented as follows:
   
February 29,

2020
   February 28,
2019		 
Working capital
  
$
1,263
 
  $3,354 
Liquid assets
  
$
844
 
  $410 
Schedule Of Revenue Recognized
For the fiscal year ended February 29, 2020, revenue recognized by division of the Company is as follows (in thousands):
 
Simulation and training (including video walls)
  $4,921 
Cyber security
   1,990 
Data displays
   2,541 
Other computer products (keyboards)
   1,145 
  
 
 
 
Total revenue
  $10,597 
  
 
 
 
Roll-forward of Allowance for Doubtful Accounts
The following is a roll-forward of the allowance for doubtful accounts (in thousands):
 
       Additions:         
Description
  Balance at
Beginning
of Period		   
Charged
to Costs
and
Expenses
   Deductions   Balance at
End of
Period		 
February 29, 2020
  $16   $—   $(7)   $9 
February 28, 2019
  $19   $—     $(3)   $16 
Reconciliation of Basic Earnings (Loss) Per Share to Diluted Earnings (Loss) Per Share
The following is a reconciliation of basic earnings (loss) per share to diluted earnings (loss) per share for 2020 and 201
9
, (in thousands, except for per share data):
 
   
Net 
Income
(Loss)
   
Average 
Shares
Outstanding
   
Net
 Income
(Loss)
 Per
 Share
 
2020
      
Basic
   (1,206)    5,878    (0.21) 
Effect of dilution:
      
Options
   —    —    — 
  
 
 
   
 
 
   
 
 
 
Diluted earnings per share
   (1,206)    5,878    (0.21) 
  
 
 
   
 
 
   
 
 
 
2019
      
Basic
   67    5,878    0.01 
Effect of dilution:
      
Options
   —      200    —   
  
 
 
   
 
 
   
 
 
 
Diluted earnings per share
   67    6,078    0.01