RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS - Restated Condensed Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue	$ 37,646			$ 33,592			$ 105,574	$ 90,383
Costs of sales	27,867			23,747			76,442	65,185
Gross profit	9,779			9,845			29,132	25,198
Operating Expenses [Abstract]
Selling, general and administrative	11,156			9,629			31,537	25,558
Integration and acquisition costs	24			1,677			1,127	5,774
Depreciation and amortization	1,083			1,105			3,359	2,087
Total operating expenses	13,671			12,411			49,145	33,419
Operating loss	(3,892)			(2,566)			(20,013)	(8,221)
Other Nonoperating Income (Expense) [Abstract]
Interest income	318			226			1,104	630
Interest expense	(913)			(863)			(2,518)	(2,106)
Total other expense, net	(595)			(637)			(1,414)	(1,476)
Loss before income taxes	(4,487)			(3,203)			(21,427)	(9,697)
Benefit (provision) for income taxes	(23)			(20)			(60)	109
Net loss	(4,510)	$ (10,657)	$ (6,320)	(3,223)	$ (4,194)	$ (2,171)	(21,487)	(9,588)
Preferred dividends	(334)			(334)			(668)	(668)
Net loss applicable to common shares	$ (4,844)			$ (3,557)			$ (22,155)	$ (10,256)
Net income (loss) per common share
Basic (in dollars per share)	$ (0.08)			$ (0.07)			$ (0.37)	$ (0.20)
Diluted (in dollars per share)	$ (0.08)			$ (0.07)			$ (0.37)	$ (0.20)
Weighted average number of common shares outstanding:
Basic (in shares)	60,065,053			53,637,085			60,059,594	51,101,813
Diluted (in shares)	60,065,053			53,637,085			60,059,594	51,101,813
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				$ 35,832				$ 93,955
Costs of sales				23,888				65,609
Gross profit				11,944				28,346
Operating Expenses [Abstract]
Selling, general and administrative				9,572				24,647
Integration and acquisition costs				1,747				5,844
Depreciation and amortization				1,125				2,107
Total operating expenses				12,444				32,598
Operating loss				(500)				(4,252)
Other Nonoperating Income (Expense) [Abstract]
Interest income				134				465
Interest expense				(612)				(1,315)
Total other expense, net				(478)				(850)
Loss before income taxes				(978)				(5,102)
Benefit (provision) for income taxes				2,138				(6,467)
Net loss				1,160				(11,569)
Preferred dividends				(334)				(668)
Net loss applicable to common shares				$ 826				$ (12,237)
Net income (loss) per common share
Basic (in dollars per share)				$ 0.02				$ (0.24)
Diluted (in dollars per share)				$ 0.02				$ (0.24)
Weighted average number of common shares outstanding:
Basic (in shares)				53,637,085				51,101,813
Diluted (in shares)				54,234,566				51,101,813
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				$ (2,240)				$ (3,572)
Costs of sales				(141)				(424)
Gross profit				(2,099)				(3,148)
Operating Expenses [Abstract]
Selling, general and administrative				57				911
Integration and acquisition costs				(70)				(70)
Depreciation and amortization				(20)				(20)
Total operating expenses				(33)				821
Operating loss				(2,066)				(3,969)
Other Nonoperating Income (Expense) [Abstract]
Interest income				92				165
Interest expense				(251)				(791)
Total other expense, net				(159)				(626)
Loss before income taxes				(2,225)				(4,595)
Benefit (provision) for income taxes				(2,158)				6,576
Net loss				(4,383)				1,981
Preferred dividends				0				0
Net loss applicable to common shares				$ (4,383)				$ 1,981
Net income (loss) per common share
Basic (in dollars per share)				$ (0.09)				$ 0.04
Diluted (in dollars per share)				$ (0.09)				$ 0.04
Weighted average number of common shares outstanding:
Basic (in shares)				0				0
Diluted (in shares)				(597,481)				0
Service
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue	$ 31,630			$ 25,381			$ 90,438	$ 68,292
Costs of sales	20,423			16,037			58,542	43,640
Service | As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				27,020				69,817
Costs of sales				16,012				43,700
Service | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				(1,639)				(1,525)
Costs of sales				25				(60)
Product
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue	6,016			8,211			15,136	22,091
Costs of sales	$ 7,444			7,710			$ 17,900	21,545
Product | As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				8,812				24,138
Costs of sales				7,876				21,909
Product | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue				(601)				(2,047)
Costs of sales				$ (166)				$ (364)