CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue:
Total revenue	$ 30,732	$ 31,387
Cost of sales, excluding depreciation and amortization:
Selling, general and administrative expenses	(15,267)	(16,374)
Stock-based compensation expense	(1,615)	(3,198)
Acquisition related transaction expenses	(74)	(574)
Depreciation and amortization	(9,589)	(9,560)
Net operating loss	(2,383)	(4,421)
Other (expense) income
Interest income	32	38
Interest expense	(4,111)	(4,906)
Change in fair value of earnout liability	1,668	4,657
Change in fair value of derivative liability	852	319
Other finance (costs) income	(731)	191
Total other (expense) income, net	(2,290)	299
Net loss before income taxes	(4,673)	(4,122)
Income tax expense	(56)	(33)
Net loss	(4,729)	(4,155)
Other comprehensive loss:
Foreign currency translation (loss) gain	(6)	124
Change in fair value of hedging instrument	2,601
Reclassification of gain on hedging instrument to comprehensive income	(2,362)
Actuarial losses on pension plan	(2,825)	(2,046)
Other comprehensive loss	(2,592)	(1,922)
Comprehensive loss	$ (7,321)	$ (6,077)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.23)	$ (0.20)
Weighted average number of shares outstanding during the period - basic and diluted (in shares)	20,861,130	20,441,832
Service [Member]
Revenue:
Total revenue	$ 30,046	$ 30,367
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold	(5,977)	(5,196)
Hardware [Member]
Revenue:
Total revenue	686	1,020
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold	$ (593)	$ (906)