INVESTMENTS IN MARKETABLE SECURITIES (Details 1)	Dec. 31, 2018 USD ($)
2019 – 2023 Cost	$ 111,000
2019 – 2023 Fair value	110,000
2024 – 2028 Cost	153,000
2024 – 2028 Fair value	146,000
2029 – thereafter Cost	253,000
2029 – thereafter Fair value	246,000
Debt Securities, Held-to-maturity	517,000
Debt Securities, Held-to-maturity, Fair Value	$ 502,000

Amount of investment in debt security measured at amortized cost (held-to-maturity).

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