Note 2 - Acquisitions	3 Months Ended
Mar. 31, 2020
Notes to Financial Statements
Business Combination Disclosure [Text Block]	2. Acquisitions *Acquisition of Pika* On April 26, 2019, the Company acquired Pika for a purchase price, net of cash acquired, of $49,068. The acquisition purchase price was funded solely through cash on hand. The Company finalized the Pika purchase price allocation during the first quarter of 2020 based upon its estimates of the fair value of the acquired assets and assumed liabilities. As a result, the Company recorded $58,196 of intangible assets, including $19,896 of goodwill recorded in the Domestic segment, as of the acquisition date. The goodwill ascribed to the acquisition is not deductible for tax purposes. The accompanying condensed consolidated financial statements include the results of Pika from the date of acquisition. *Acquisition of* *Neurio* On March 12, 2019, the Company acquired Neurio for a purchase price of $59,071, net of cash acquired and inclusive of a deferred payment of $7,922 which was made during the third quarter of 2019. The acquisition purchase price was funded solely through cash on hand. The Company finalized the Neurio purchase price allocation during the first quarter of 2020 based upon its estimates of the fair value of the acquired assets and assumed liabilities. As a result, the Company recorded $58,762 of intangible assets, including $17,862 of goodwill recorded in the Domestic segment, as of the acquisition date. Substantially all of the goodwill ascribed to this acquisition is deductible for tax purposes. The accompanying condensed consolidated financial statements include the results of Neurio from the date of acquisition.

Note 2 - Acquisitions

3 Months Ended

Mar. 31, 2020

Business Combination Disclosure [Text Block]

2. Acquisitions

Acquisition of Pika

On April 26, 2019, the Company acquired Pika for a purchase price, net of cash acquired, of $49,068. The acquisition purchase price was funded solely through cash on hand.

The Company finalized the Pika purchase price allocation during the first quarter of 2020 based upon its estimates of the fair value of the acquired assets and assumed liabilities. As a result, the Company recorded $58,196 of intangible assets, including $19,896 of goodwill recorded in the Domestic segment, as of the acquisition date. The goodwill ascribed to the acquisition is not deductible for tax purposes. The accompanying condensed consolidated financial statements include the results of Pika from the date of acquisition.

Acquisition of Neurio

On March 12, 2019, the Company acquired Neurio for a purchase price of $59,071, net of cash acquired and inclusive of a deferred payment of $7,922 which was made during the third quarter of 2019. The acquisition purchase price was funded solely through cash on hand.

The Company finalized the Neurio purchase price allocation during the first quarter of 2020 based upon its estimates of the fair value of the acquired assets and assumed liabilities. As a result, the Company recorded $58,762 of intangible assets, including $17,862 of goodwill recorded in the Domestic segment, as of the acquisition date. Substantially all of the goodwill ascribed to this acquisition is deductible for tax purposes. The accompanying condensed consolidated financial statements include the results of Neurio from the date of acquisition.