Accrued Expenses (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued expenses	$ 3,171,000	$ 1,796,000
Accrued interest	40,000	199,000
Accrued payroll	1,371,000	1,253,000
Accrued vacation and sick pay	630,000	496,000
Accrued shipping expenses	1,859,000	433,000
Accrued professional services fees	724,000	481,000
Deferred rent liability	366,000	301,000
Total accrued expenses	$ 8,161,000	$ 4,959,000