Note 14 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jul. 10, 2015
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount					$ (54,049,000)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability					20,300,000
Income Tax Expense (Benefit), Total			480,000	2,030,000	$ (31,899,000)
Deferred Tax Assets, State Taxes	$ 1,200,000	$ 341,000
Earnings Per Share, Basic and Diluted, Establishment of Net Deferred Tax Asset	$ 0.16	$ 0.05
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax			173,000	346,000
Unrecognized Tax Benefits, Ending Balance			0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total			$ 0	$ 0
Common Stock Ownership Percentage by Individual			5.00%
Common Stock Ownership Percentage			50.00%
Dividend Declared Preferred Stock Purchase Right Per Each Share of Common Stock						1
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total			$ 31,800,000
Income Tax Expense (Benefit) From NOL	$ 1,200,000
Income Tax Expense (Benefit) From NOL, Per Share	$ 0.16
State and Local Jurisdiction [Member] | Kentucky Department of Revenue [Member]
Deferred Tax Assets, State Taxes		$ 341,000
Earnings Per Share, Basic and Diluted, Establishment of Net Deferred Tax Asset		$ 0.05
State Franchise Tax, Percent		1.10%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent		5.00%
Domestic Tax Authority [Member]
Operating Loss Carryforwards, Total			103,100,000
Domestic Tax Authority [Member] | Other Assets [Member]
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax			$ 173,000