XML 36 R23.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Deferred Tax Assets

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2017 and 2016 are presented below and reflect the new federal statutory rate enacted in 2017. The 2017 deferred tax amount were adjusted for the effects of the new federal statutory rates.

 

    2017     2016  
Deferred tax assets:                
Depreciation   $ 89,000     $ 116,000  
Allowance for bad debts     225,000       393,000  
Net operating loss carry-forwards     15,575,000       24,916,000  
Stock option expense     257,000       1,272,000  
Research and other credits     1,266,000       1,210,000  
Other temporary differences     15,000       15,000  
Total gross deferred tax assets     17,427,000       27,922,000  
Less valuation allowance     (17,427,000 )     (27,922,000 )
    $ -     $ -