Represents the amount of cash paid to shareholders per share of stock converted in a stock conversion transaction.

No definition available.

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- Definition

Represents the number of shares of one class of stock exchanged for each share of another class of stock in a stock conversion transaction.

+ References

No definition available.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Note 10 - Subsequent Event (Details Textual) - USD ($)	Apr. 18, 2018	Apr. 17, 2018	Dec. 31, 2017
Long-term Debt, Total			$ 1,067,000
Subsequent Event [Member]
Common Stock, Par or Stated Value Per Share		$ 0.001
Subsequent Event [Member] \| Credit Agreement [Member] \| First National Bank of Omaha [Member]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.15%
Subsequent Event [Member] \| Credit Agreement [Member] \| First National Bank of Omaha [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Subsequent Event [Member] \| Credit Agreement [Member] \| First National Bank of Omaha [Member] \| Term Loan [Member]
Long-term Debt, Total	$ 40,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Term	5 years
Subsequent Event [Member] \| Credit Agreement [Member] \| First National Bank of Omaha [Member] \| Delayed Draw Term Loan [Member]
Debt Instrument, Unused Borrowing Capacity, Amount	$ 15,000,000
Subsequent Event [Member] \| Credit Agreement [Member] \| First National Bank of Omaha [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 15,000,000
Subsequent Event [Member] \| Conversion of Class B Common Stock Into Class A Common Stock [Member]
Conversion of Stock, Number of Shares Exchanged for Each Share		1
Conversion of Stock, Cash Paid Per Share Converted		$ 19.59
Conversion of Stock, Shares Issued		3,617,615
Conversion of Stock, Amount Issued		$ 72,600,000