Stock-Based Compensation - Additional Information (Details) - USD ($)		1 Months Ended			3 Months Ended		12 Months Ended
	Sep. 09, 2015	Mar. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Mar. 31, 2020		Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment
Allocated Share-based Compensation Expense					$ 91,000		$ 120,000
Stock Repurchased During Period, Shares		72,214	0	1,500	73,714	[1],[2]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					295,500		267,000
Deferred Compensation Arrangement with Individual Shares Outstanding		82,199			82,199
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized					0		1,000,000
Other Employees [Member]
Share-based Compensation Arrangement by Share-based Payment
Restricted Stock or Unit Expense					$ 146,000
Employees and executive officers [Member]
Share-based Compensation Arrangement by Share-based Payment
Stock Issued During Period, Shares, New Issues					430,924
Stock Repurchased During Period, Shares					197,103
Consultants [Member]
Share-based Compensation Arrangement by Share-based Payment
Stock Issued During Period, Shares, New Issues					190,476
Board Memebers [Member]
Share-based Compensation Arrangement by Share-based Payment
Stock Issued During Period, Shares, New Issues					5,756
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options		$ 1,200,000			$ 1,200,000
Adjustments to Additional Paid in Capital Reclassification Of Share Based Compensation To Liability					177,000		$ 215,000
Restricted Stock Units (RSUs) [Member] | Other Employees [Member]
Share-based Compensation Arrangement by Share-based Payment
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition					$ 53,000
2015 Stock Incentive Plan[Member]
Share-based Compensation Arrangement by Share-based Payment
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	800,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized					1,000,000

[1] In December 2019, our Board of Directors approved a share repurchase program under which we can purchase up to $5.0 million of shares of our common stock. Repurchases under the share repurchase program may be made through open market or privately negotiated transactions at times and on such terms and in such amounts as management deems appropriate, subject to market conditions, regulatory requirements and other factors. The share repurchase program is subject to the terms of our Corporate Credit Facility and does not obligate the Company to repurchase any particular amount of common stock, and may be suspended or discontinued at any time without notice.

[2] Includes an aggregate of (i) 7,500 shares purchased by affiliated purchasers of the Company and (ii) 66,214 shares purchased by the Company in the open market under its share repurchase program, 11,279 of which were purchased by the Company in March 2020 and settled in April 2020, which shares are included in net shares outstanding at March 31, 2020.