Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) Statement - USD ($) $ in Thousands	Total	Common Stock	Additional Paid  In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect Of New Accounting Principle In Period Of Adoption				$ (101)	$ 101
Beginning balance, value at Jun. 30, 2018	$ 134,470	$ 33	$ 461,927	101	(327,591)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	3,132		3,132
Shares withheld for payroll taxes	(1,058)				(1,058)
Stock Issued During Period, Value, Employee Stock Purchase Plan	252		252
Employee stock purchase plan activity	71		71
Net loss	(2,888)				(2,888)
Ending balance, value at Sep. 30, 2018	133,979	33	465,382		(331,436)
Beginning balance, value at Jun. 30, 2018	134,470	33	461,927	101	(327,591)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(1,724)
Ending balance, value at Mar. 31, 2019	141,613	34	472,501	0	(330,922)
Beginning balance, value at Sep. 30, 2018	133,979	33	465,382		(331,436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	2,472	1	2,471
Shares withheld for payroll taxes	(319)				319
Stock Issued During Period, Value, Employee Stock Purchase Plan	1,849		1,849
Employee stock purchase plan activity	125		125
Net loss	492				492
Ending balance, value at Dec. 31, 2018	138,598	34	469,827		(331,263)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	2,380	0	2,380	0	0
Shares withheld for payroll taxes	(331)				331
Stock Issued During Period, Value, Employee Stock Purchase Plan	294		294
Net loss	672	0	0	0	672
Ending balance, value at Mar. 31, 2019	141,613	34	472,501	0	(330,922)
Beginning balance, value at Jun. 30, 2019	147,944
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	3,804		3,804
Shares withheld for payroll taxes	(5,506)				5,506
Stock Issued During Period, Value, Employee Stock Purchase Plan	242		242
Unrealized gain on available-for-sale debt securities	24			24
Stock issued for acquisitions	1,346		1,346
Net loss	(5,780)				(5,780)
Ending balance, value at Sep. 30, 2019	142,074	34	482,760	102	(340,822)
Beginning balance, value at Jun. 30, 2019	147,944
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized gain on available-for-sale debt securities	(137)
Net loss	(12,070)
Ending balance, value at Mar. 31, 2020	143,176	34	491,053	(59)	(347,852)
Beginning balance, value at Sep. 30, 2019	142,074	34	482,760	102	(340,822)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	3,091		3,091
Shares withheld for payroll taxes	(379)				379
Stock Issued During Period, Value, Employee Stock Purchase Plan	1,929		1,929
Unrealized gain on available-for-sale debt securities	(9)			(9)
Net loss	(3,401)				(3,401)
Ending balance, value at Dec. 31, 2019	143,305	34	487,780	93	(344,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Restricted Stock Awards Net	2,934	0	2,934	0	0
Shares withheld for payroll taxes	(361)	0	0	0	(361)
Stock Issued During Period, Value, Employee Stock Purchase Plan	339	0	339	0	0
Unrealized gain on available-for-sale debt securities	(152)			(152)
Net loss	(2,889)	0	0	0	(2,889)
Ending balance, value at Mar. 31, 2020	$ 143,176	$ 34	$ 491,053	$ (59)	$ (347,852)