Segment Information (Details)		3 Months Ended		15 Months Ended
	Jan. 31, 2016 operating_segment	Oct. 31, 2016 USD ($) operating_segment	Oct. 31, 2015 USD ($)	Oct. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Acquisition plan expenses		$ 0
Number of reportable segments | operating_segment	3	2
Net sales		$ 135,786,000	$ 64,117,000
Operating income (loss)		(728,000)	2,168,000
Net (loss) income		(2,489,000)	1,439,000
Income taxes		(1,562,000)	766,000
Interest (income) and other expense		(2,000)	(112,000)
Interest expense		3,325,000	75,000
Amortization of stock-based compensation		970,000	1,051,000
Amortization of intangibles		6,055,000	1,376,000
Depreciation		$ 3,749,000	$ 1,530,000
Adjusted EBITDA		10,046,000	7,517,000
Purchases of property, plant and equipment		$ 2,075,000	$ 636,000
Total assets		903,452,000	459,042,000	$ 903,452,000	$ 921,196,000
Secured Credit Facility
Segment Reporting Information [Line Items]
Credit Facility Interest Expense For Period		3,175,000	0
TeleCommunication Systems, Inc.
Segment Reporting Information [Line Items]
Acquisition plan expenses		0	1,392,000	21,276,000
Unallocated
Segment Reporting Information [Line Items]
Acquisition plan expenses			1,392,000
Net sales		0	0
Operating income (loss)		(6,326,000)	(5,160,000)
Net (loss) income		(8,005,000)	(5,825,000)
Income taxes		(1,585,000)	790,000
Interest (income) and other expense		3,000	(126,000)
Interest expense		3,261,000	0
Amortization of stock-based compensation		970,000	1,051,000
Amortization of intangibles		0	0
Depreciation		$ 411,000	$ 8,000
Adjusted EBITDA		(4,945,000)	(2,710,000)
Purchases of property, plant and equipment		$ 70,000	$ 2,000
Total assets		68,921,000	143,148,000	68,921,000
Commercial Solutions Segment | Operating Segments
Segment Reporting Information [Line Items]
Acquisition plan expenses			0
Net sales		76,178,000	42,950,000
Operating income (loss)		3,098,000	2,248,000
Net (loss) income		3,013,000	2,177,000
Income taxes		23,000	(24,000)
Interest (income) and other expense		(2,000)	21,000
Interest expense		64,000	75,000
Amortization of stock-based compensation		0	0
Amortization of intangibles		4,436,000	1,376,000
Depreciation		$ 2,587,000	$ 1,253,000
Adjusted EBITDA		10,121,000	4,878,000
Purchases of property, plant and equipment		$ 1,995,000	$ 481,000
Total assets		623,510,000	228,554,000	623,510,000
Commercial Solutions Segment | Intersegment Eliminations
Segment Reporting Information [Line Items]
Intersegment sales		3,426,000	1,079,000
Government Solutions Segment | Operating Segments
Segment Reporting Information [Line Items]
Acquisition plan expenses			0
Net sales		59,608,000	21,167,000
Operating income (loss)		2,500,000	5,080,000
Net (loss) income		2,503,000	5,087,000
Income taxes		0	0
Interest (income) and other expense		(3,000)	(7,000)
Interest expense		0	0
Amortization of stock-based compensation		0	0
Amortization of intangibles		1,619,000	0
Depreciation		$ 751,000	$ 269,000
Adjusted EBITDA		4,870,000	5,349,000
Purchases of property, plant and equipment		$ 10,000	$ 153,000
Total assets		211,021,000	87,340,000	$ 211,021,000
Government Solutions Segment | Intersegment Eliminations
Segment Reporting Information [Line Items]
Intersegment sales		$ 0	$ 0