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Stockholders' Equity - Additional Information (Details) - USD ($)															12 Months Ended
	Dec. 24, 2020	May 20, 2020	Apr. 01, 2020	Mar. 30, 2020	Oct. 31, 2019	Oct. 01, 2019	Sep. 01, 2019	Jul. 18, 2019	May 01, 2019	Apr. 15, 2019	Apr. 01, 2019	Mar. 15, 2019	Mar. 13, 2019	Feb. 27, 2019	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity
Authorized number of shares															51,000,000
Number of common stock shares authorized															50,000,000	50,000,000
Authorized number of shares of preferred stock															1,000,000	1,000,000
Granted (in shares)															531,250
Exercise price of options (in dollars per share)															$ 1.40
Compensation expense related to stock options															$ 200,000	$ 500,000
Unrecognized compensation expense															$ 200,000
Weighted average period of recognition															1 year 22 days
Shares of common stock reserved for issuance (in shares)															9,308,788
Five year expiration
Stockholders' Equity
Expiration period															5 years
Seven year expiration
Stockholders' Equity
Expiration period															7 years
Ten year expiration
Stockholders' Equity
Expiration period															10 years
Chief Executive Officer
Stockholders' Equity
Granted (in shares)														2,578,947
Exercise price of options (in dollars per share)														$ 1.70
Number of exercisable options (in shares)															0
Number of trading days														10 days
Chief Executive Officer | $3.00
Stockholders' Equity
Number of exercisable options (in shares)														736,842
Lower range target price limit (in dollars per share)														$ 3.00
Chief Executive Officer | $5.00
Stockholders' Equity
Number of exercisable options (in shares)														626,316
Lower range target price limit (in dollars per share)														$ 5.00
Chief Executive Officer | $7.00
Stockholders' Equity
Number of exercisable options (in shares)														515,789
Lower range target price limit (in dollars per share)														$ 7.00
Chief Executive Officer | $9.00
Stockholders' Equity
Number of exercisable options (in shares)														405,263
Lower range target price limit (in dollars per share)														$ 9.00
Chief Executive Officer | $11.00
Stockholders' Equity
Number of exercisable options (in shares)														294,737
Lower range target price limit (in dollars per share)														$ 11.00
Chief Financial Officer
Stockholders' Equity
Granted (in shares)														552,632
Exercise price of options (in dollars per share)														$ 1.70
Number of exercisable options (in shares)														0
Number of trading days														10 days
Chief Financial Officer | $3.00
Stockholders' Equity
Number of exercisable options (in shares)														157,895
Lower range target price limit (in dollars per share)														$ 3.00
Chief Financial Officer | $5.00
Stockholders' Equity
Number of exercisable options (in shares)														134,211
Lower range target price limit (in dollars per share)														$ 5.00
Chief Financial Officer | $7.00
Stockholders' Equity
Number of exercisable options (in shares)														110,526
Lower range target price limit (in dollars per share)														$ 7.00
Chief Financial Officer | $9.00
Stockholders' Equity
Number of exercisable options (in shares)														86,842
Lower range target price limit (in dollars per share)														$ 9.00
Chief Financial Officer | $11.00
Stockholders' Equity
Number of exercisable options (in shares)														63,158
Lower range target price limit (in dollars per share)														$ 11.00
Officer
Stockholders' Equity
Granted (in shares)														368,421
Exercise price of options (in dollars per share)														$ 1.70
Number of exercisable options (in shares)														0
Number of trading days														10 days
Officer | $3.00
Stockholders' Equity
Number of exercisable options (in shares)														105,263
Lower range target price limit (in dollars per share)														$ 3.00
Officer | $5.00
Stockholders' Equity
Number of exercisable options (in shares)														89,474
Lower range target price limit (in dollars per share)														$ 5.00
Officer | $7.00
Stockholders' Equity
Number of exercisable options (in shares)														73,684
Lower range target price limit (in dollars per share)														$ 7.00
Officer | $9.00
Stockholders' Equity
Number of exercisable options (in shares)														57,895
Lower range target price limit (in dollars per share)														$ 9.00
Officer | $11.00
Stockholders' Equity
Number of exercisable options (in shares)														42,105
Lower range target price limit (in dollars per share)														$ 11.00
Employees
Stockholders' Equity
Granted (in shares)												50,000	154,000
Exercise price of options (in dollars per share)												$ 5.50	$ 1.73
Non Management Directors
Stockholders' Equity
Granted (in shares)			200,000
Exercise price of options (in dollars per share)			$ 0.50								$ 1.70
Number of exercisable options (in shares)											150,000
Percentage of options vested per tranche			50.00%								50.00%
Key Employees
Stockholders' Equity
Exercise price of options (in dollars per share)					$ 1.72	$ 1.77	$ 1.59			$ 1.40	$ 1.38
Number of exercisable options (in shares)					10,000	100,000	15,000			24,000	10,000
Percentage of options vested per tranche					33.33%	33.33%	33.33%		50.00%	50.00%
Restricted Stock
Stockholders' Equity
Compensation expense related to stock options															$ 600,000	500,000
Unrecognized compensation expense															$ 10,000
Weighted average period of recognition															3 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period															639,728
Restricted Stock | Employees
Stockholders' Equity
Compensation expense related to stock options	$ 40,000	$ 300,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	32,300	270,728
Restricted Stock | Non Management Directors
Stockholders' Equity
Percentage of options vested per tranche											50.00%
Award vesting period (in years)											2 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period											60,000
Restricted Stock | Senior Management
Stockholders' Equity
Compensation expense related to stock options															$ 300,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				336,700
Performance Shares | Key Employees
Stockholders' Equity
Performance stock bonus															90,000	90,000
Term of employment														2 years
Warrant
Stockholders' Equity
Percentage of options vested per tranche								33.33%
Compensation expense related to stock options															$ 0	$ 14,000
Shares issuable under warrants (in shares)								115,000
Warrants outstanding, exercise price (in dollars per share)								$ 3.17
Warrant | Five year expiration
Stockholders' Equity
Expiration period															5 years
2011 Equity Incentive Plan | Stock Compensation Plan
Stockholders' Equity
Shares of common stock available for issuance (in shares)															1,549,598

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