Acquisitions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Nov. 03, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Revenues		$ 57,165	$ 66,657	$ 115,043	$ 122,338
Net income		461	$ 263	979	$ 843
Yankee Equipment Systems, Inc [Member]
Business Acquisition [Line Items]
Cash Consideration	$ 5,300
Stock Consideration	278,385
Acquisition legal and other professional fees		$ 144		144
Total purchase price for accounting purposes				13,800
Cash acquired	$ 792			792
Closing price	$ 30.61
Revenues				3,500
Net income				$ 138
Yankee Equipment Systems, Inc [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Indefinite lived intangible assets acquired	$ 1,600
Yankee Equipment Systems, Inc [Member] | Customer-related intangible assets [Member]
Business Acquisition [Line Items]
Finite lived intangible assets acquired	$ 2,200
Amortized life	10 years
Yankee Equipment Systems, Inc [Member] | Paycheck Protection Program Loan [Member]
Business Acquisition [Line Items]
Loan obligation	$ 916