Stockholders' Equity - Additional Information (Details)			2 Months Ended	12 Months Ended
	Oct. 27, 2020 USD ($) warrant $ / shares	Jan. 22, 2020 USD ($) $ / shares	Mar. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Aug. 29, 2011 shares
Equity Class Of Treasury Stock [Line Items]
Sale of stock price per share | $ / shares	$ 12.50
Common stock distribution value	$ 5,258,320,000
Valuation model description	The expected life of 5 years was based on the estimated term of the Common Stock Warrants, the volatility factor of 46.5% was based on historical volatilities of the Company’s common stock and the exercise price of $12.50 per share of the Company’s common stock was based on the terms of the warrant agreement.
Common stock, shares authorized (in shares) | shares				10,000,000	10,000,000
Proceeds from the exercise of the warrants and issuance of the common shares				$ 13,000,000
Common stock issuance cost				$ 202,000
Common stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01
Form S-3 and ATM registration costs				$ 202,000
Number of shares authorized and available for repurchase (in shares) | shares				540,000		100,000
Treasury stock, (in shares) | shares				81,584	81,584
Value of repurchased common stock				$ 580,000	$ 580,000
Open Market Sale Agreement [Member]
Equity Class Of Treasury Stock [Line Items]
Sale of stock price per share | $ / shares			$ 13.65
Common stock, par value (in dollars per share) | $ / shares		$ 0.01
At-the-market stock sales, (in shares) | shares			263,725
Amount raised through offering			$ 3,492,000
Brokerage charges			$ 108,000
Form S-3 and ATM registration costs				$ 238,000
Warrant
Equity Class Of Treasury Stock [Line Items]
number of warrants entitle their holder to purchase share | warrant	5
number of warrants received by each shareholder per share | warrant	1
Common Stock Warrants fair value	$ 3,600,000
Common stock, shares authorized (in shares) | shares				1,051,664
Maximum [Member]
Equity Class Of Treasury Stock [Line Items]
Sale of stock price per share | $ / shares	$ 17.50
Maximum [Member] | Open Market Sale Agreement [Member]
Equity Class Of Treasury Stock [Line Items]
Aggregate offering price		$ 15,000,000