The amount of deferred offering costs expensed during the reporting period.

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Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.

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Amount of unrecognized tax benefits.

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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)
Deferred Offering Costs, Expensed During Period	$ 3,100
Federal Income Tax Expense (Benefit), Continuing Operations, Total		$ 0
Unrecognized Tax Benefits, Ending Balance		0	$ 0
Provision for Doubtful Accounts		0	$ 0
State and Local Income Tax Expense (Benefit), Continuing Operations, Total		$ 0
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Number of Major Customers		5	4
Concentration Risk, Percentage		63.00%	77.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Concentration Risk, Percentage		72.00%	71.00%
Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Minimum [Member] \| Accounting Standards Update 2016-02 [Member] \| Subsequent Event [Member]
Operating Lease, Right-of-Use Asset				$ 200
Operating Lease, Liability, Total				200
Maximum [Member]
Property, Plant and Equipment, Useful Life		30 years
Maximum [Member] \| Accounting Standards Update 2016-02 [Member] \| Subsequent Event [Member]
Operating Lease, Right-of-Use Asset				400
Operating Lease, Liability, Total				$ 400