Annual report pursuant to Section 13 and 15(d)

M. COMMITMENTS AND CONTINGENCIES (Details-Sales Tax Accrual)

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M. COMMITMENTS AND CONTINGENCIES (Details-Sales Tax Accrual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Change in the sales tax accrual    
Balance, Beginning of year $ 274,869 $ 229,768
Sales tax collected 297,673 452,016
Provisions (reversals) (33,000) 151,000
Interest and penalties (5,890) (3,017)
Payments (450,370) (554,898)
Balance, End of year $ 83,282 $ 274,869