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Stock-Based Incentive Plan - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 08, 2016
Restricted Stock and Contingent Restricted Stock
Stock-Based Incentive Plan
Stock-based compensation expense		$ 236,190	$ 254,111	$ 568,203	$ 469,484
Restricted Stock, Service-Based
Stock-Based Incentive Plan
Granted (in shares)				157,386
Restricted Stock, Market-Based
Stock-Based Incentive Plan
Granted (in shares)				104,236
2016 Plan
Stock-Based Incentive Plan
Number of shares remaining available for grant under plan (in shares)		390,489		390,489		0
Number of shares of common stock authorized for issuance under plan (in shares)						1,100,000
2004 Stock Plan | Restricted Stock and Contingent Restricted Stock, Other
Stock-Based Incentive Plan
Vesting period				1 year
2004 Stock Plan | Restricted Stock, Performance-Based
Stock-Based Incentive Plan
Performance based awards, outstanding (in shares)		0		0
Minimum | 2004 Stock Plan | Restricted Stock, Service-Based
Stock-Based Incentive Plan
Vesting period				3 years
Minimum | 2004 Stock Plan | Restricted Stock, Market-Based
Stock-Based Incentive Plan
Vesting period				2 years
Maximum | 2004 Stock Plan | Restricted Stock and Contingent Restricted Stock
Stock-Based Incentive Plan
Expiration period				4 years
Maximum | 2004 Stock Plan | Restricted Stock, Service-Based
Stock-Based Incentive Plan
Vesting period				4 years
Maximum | 2004 Stock Plan | Restricted Stock, Market-Based
Stock-Based Incentive Plan
Vesting period				3 years
Chief Executive Officer | 2004 Stock Plan | Restricted Stock, Service-Based
Stock-Based Incentive Plan
Granted (in shares)	48,872
Chief Executive Officer | 2004 Stock Plan | Restricted Stock, Market-Based
Stock-Based Incentive Plan
Granted (in shares)	200,000
Employee | Restricted Stock, Service-Based
Stock-Based Incentive Plan
Granted (in shares)				52,119
Employee | Restricted Stock, Market-Based
Stock-Based Incentive Plan
Granted (in shares)				104,236
Director | Restricted Stock, Service-Based
Stock-Based Incentive Plan
Granted (in shares)				56,395

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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