Commitments and Contingencies (Details)	Dec. 31, 2018 USD ($)
For the year ending
December 31, 2019	$ 1,149,000
December 31, 2020	1,135,000
December 31, 2021	1,118,000
December 31, 2022	868,000
December 31, 2023	895,000
Thereafter	2,604,000
Total Rents	7,769,000
Fifth Avenue Annual Rent [Member]
For the year ending
December 31, 2019	792,000
December 31, 2020	817,000
December 31, 2021	842,000
December 31, 2022	868,000
December 31, 2023	895,000
Thereafter	2,604,000
Total Rents	6,818,000
Lamar Street Annual Rent [Member]
For the year ending
December 31, 2019	196,000
December 31, 2020	202,000
December 31, 2021	173,000
December 31, 2022
December 31, 2023
Thereafter
Total Rents	571,000
Motor Parkway Annual Rent [Member]
For the year ending
December 31, 2019	113,000
December 31, 2020	116,000
December 31, 2021	103,000
December 31, 2022
December 31, 2023
Thereafter
Total Rents	332,000
Porter Street Annual Rent [Member]
For the year ending
December 31, 2019	48,000
December 31, 2020
December 31, 2021
December 31, 2022
December 31, 2023
Thereafter
Total Rents	$ 48,000

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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