Stock Incentive Plans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Aug. 31, 2007
Stock Incentive Plans (Details) [Line Items]
Weighted average grant date fair value of the options vested	$ 30,000	$ 77,000
Fair value of common stock intrinsic value	$ 52,000
Stock options exercisable (in Shares)	2,250	5,000
Stock compensation expense	$ 14,000	$ 24,000
Derived service period	4 years
Unrecognized compensation cost	$ 0
Shares awarded (in Shares)	17,000
Share based payment of fair value	$ 146,000
Stock options [Member]
Stock Incentive Plans (Details) [Line Items]
Stock options exercisable (in Shares)	18,250
Restricted Stock [Member]
Stock Incentive Plans (Details) [Line Items]
Stock compensation expense		14,000
Closing price of common stock (in Dollars per share)	$ 5.50
Restricted Stock Units (RSUs) [Member]
Stock Incentive Plans (Details) [Line Items]
Stock compensation expense	$ 38,000	7,000
2007 Stock Incentive Plan [Member]
Stock Incentive Plans (Details) [Line Items]
Maximum number of shares awarded or sold (in Shares)			440,769
2016 Plan [Member]
Stock Incentive Plans (Details) [Line Items]
Common stock reserved for future issuance of awards (in Shares)	222,980
Plan termination date	Mar. 17, 2026
Key Executive [Member]
Stock Incentive Plans (Details) [Line Items]
Closing price of common stock (in Dollars per share)	$ 6.30
Key Executive [Member] | Restricted Stock Units (RSUs) [Member]
Stock Incentive Plans (Details) [Line Items]
Grant date fair value of restricted stock units	$ 209,000	$ 323,000