XML 30 R19.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Schedule Of Allowance For Doubtful Accounts
December 31   2017     2016  
Beginning balance   $ 141,000     $ 79,000  
Bad debt provision     72,000       67,000  
Accounts written-off     -       (5,000 )
Ending balance   $ 213,000     $ 141,000  
Schedule Of Inventories
December 31   2017     2016  
Raw materials   $ 68,000     $ 123,000  
Work-in-process     10,000       27,000  
Finished goods     223,000       175,000  
    $ 301,000     $ 325,000  
Schedule Of Estimated Useful Lives
Production tooling, machinery and equipment 1 - 6 years
Office furniture and fixtures 3 years
Computer equipment and software 3 - 5 years
Schedule Of Weighted Average Common Shares Outstanding

Year ended December 31

  2017     2016  
Denominator for basic net loss per share - weighted average shares     11,717,000       11,629,000  
Effect of dilutive securities:                
Stock options, restricted stock units and restricted stock units     -       -  
Denominator for diluted net loss per share - weighted average shares     11,717,000       11,629,000