Annual report pursuant to Section 13 and 15(d)

CONCENTRATIONS

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CONCENTRATIONS
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
NOTE K - CONCENTRATIONS

Revenue from three licensees constituted approximately 67% of the Company's revenue for the year ended December 31, 2017.  Revenue from three licensees constituted approximately 83% of the Company's revenue for the year ended December 31, 2016 (exclusive of non-licensing revenue from the Company's professional liability settlement—see Note J above.  At December 31, 2017, royalty receivables from three licensees constituted approximately 79% of the Company's royalty receivables.  At December 31, 2016, royalty receivables from three licensees constituted approximately 85% of the Company's royalty receivables.