Sale and Leaseback Transaction (Details) - Bay Shore [Member] - USD ($)	1 Months Ended	12 Months Ended
	Oct. 24, 2006	Dec. 31, 2019
Sale and Leaseback Transaction (Textual)
Purchase price	$ 6,200,000
Sale of stock transaction, description	The Company realized a gain on the sale of $1,051,000 of which $300,000 was recognized during the year ended December 31, 2006. The remaining $751,000 is being recognized ratably over the remaining term of the twenty - year lease at approximately $38,000 per year. The gain is included in Other Income in the accompanying Consolidated Statements of Operations. The unrecognized portion of the gain in the amount of $257,000 and $295,000 as of December 31, 2019 and 2018, respectively, is classified as Deferred Gain on Sale in the accompanying Consolidated Balance Sheets.	The Company entered into a 20-year triple- net lease (the "Lease") with the purchaser for the property. Base annual rent is approximately $540,000 for the first five years, $560,000 for the sixth year, and thereafter increases 3% per year. The Lease grants the Company an option to renew the Lease for an additional period of five years. The Company has on deposit with the purchaser $89,000 as security for the performance of its obligations under the Lease. In addition, the Company has on deposit $150,000 with the landlord as security for the completion of certain repairs and upgrades to the Bay Shore Property.
Lease term		20 years