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Note 14 - Stockholders' Equity - Stockholders' Equity Transactions (Details) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Balances

^[1]

$ 79,776

Exercise of Stock options (in shares)

29,043

12,563

Exercise of Stock options

$ 71

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

(340)

Stock-based compensation

525

Net income

2,799

$ 3,744

^[2],[3]

Other comprehensive income (loss)

610

$ 17

Balances

$ 83,441

Common Stock [Member]

Balances (in shares)

10,627,988,000

Balances

$ 15,823

Exercise of Stock options (in shares)

29,043,000

Exercise of Stock options

$ 365

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration (in shares)

(13,281,000)

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation

Other comprehensive income (loss)

Balances (in shares)

10,643,750,000

Balances

$ 16,188

Additional Paid-in Capital [Member]

Balances

3,953

Exercise of Stock options

(294)

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

(340)

Stock-based compensation

525

Other comprehensive income (loss)

Balances

3,844

Retained Earnings [Member]

Balances

60,810

Exercise of Stock options

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation

Net income

2,799

Other comprehensive income (loss)

Balances

63,609

AOCI Attributable to Parent [Member]

Balances

(810)

Exercise of Stock options

Shares deducted from exercise of stock options for payment of witholding taxes and exercise consideration

Stock-based compensation

Other comprehensive income (loss)

610

Balances

$ (200)

[1]	The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.
[2]	The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.
[3]	The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.

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