Note 23 - Subsequent Event	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	(23)Subsequent Event On January 2, 2019, the Company completed the acquisition of 100% of Avista Pharma Solutions, a contract development, manufacturing, and testing organization with sites located in Durham, NC, Longmont, CO, Agawam, MA and Edinburgh, Scotland, UK. The purchase price of approximately $252,000 was funded with a combination of cash on hand and borrowings under a new senior secured credit facility, following a refinancing completed on the same day. The amended and restated Credit Facility is a $800,000 five-year Syndicated Senior Credit Facility expiring January 2, 2024, comprising of a $600,000 Revolving Credit Facility and $200,000 Term Loan A. The Company pays interest on the New Credit Facility at LIBOR plus 1.25% - 2.00% based upon certain financial measurements. The New Credit Facility also includes financial covenants regarding interest coverage and leverage ratios.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration