Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Jun. 30, 2015	2,027,386
Balance at Jun. 30, 2015	$ 2,000	$ 172,579,000	$ (137,674,000)	$ (5,000)	$ 34,902,000		$ 34,902,000
Stock-based compensation expense, net of stock surrenders (in shares)	11,577
Stock-based compensation expense, net of stock surrenders		710,000			710,000		710,000
Discount due to beneficial conversion features		7,262,000			7,262,000		7,262,000
Discount due to warrants		4,434,000			4,434,000		4,434,000
Issuance of common shares and warrants in financing (in shares)	735,294
Issuance of common shares and warrants in financing	$ 1,000	2,463,000			2,464,000		2,464,000
Issuance of common shares for exercise of Series B warrants (in shares)	231,710
Issuance of common shares for exercise of Series B warrants		1,097,000			1,097,000		1,097,000
Common stock issued to directors in lieu of cash compensation (in shares)	4,720
Common stock issued to directors in lieu of cash compensation		24,000			24,000		24,000
Foreign currency translation				(32,000)	(32,000)		(32,000)
Net loss			(18,588,000)		(18,588,000)		$ (18,588,000)
Exercise of stock options (in shares)							0
Balance (in shares) at Jun. 30, 2016	3,010,687
Balance at Jun. 30, 2016	$ 3,000	188,569,000	(156,262,000)	(37,000)	32,273,000		$ 32,273,000
Stock-based compensation expense, net of stock surrenders (in shares)	125,368
Stock-based compensation expense, net of stock surrenders		1,445,000			1,445,000		1,445,000
Issuance of common shares and warrants in financing (in shares)	600,000
Issuance of common shares and warrants in financing	$ 1,000	2,091,000			2,092,000		2,092,000
Common stock issued to directors in lieu of cash compensation (in shares)	5,463
Common stock issued to directors in lieu of cash compensation		16,000			16,000		16,000
Foreign currency translation				(1,000)	(1,000)		(1,000)
Net loss			(29,095,000)		(29,095,000)		(29,095,000)
Shares issued upon debt conversion (in shares)	6,102,941
Shares issued upon debt conversion	$ 6,000	23,897,000			23,903,000		23,903,000
Common stock issued to employees for prior year bonus (in shares)	71,409
Common stock issued to employees for prior year bonus		204,000			204,000		$ 204,000
Exercise of stock options (in shares)							0
Balance (in shares) at Jun. 30, 2017	9,915,868
Balance at Jun. 30, 2017	$ 10,000	216,222,000	(185,357,000)	(38,000)	30,837,000		$ 30,837,000
Stock-based compensation expense, net of stock surrenders (in shares)	52,825
Stock-based compensation expense, net of stock surrenders		239,000			239,000		239,000
Issuance of common shares and warrants in financing (in shares)	898,402
Issuance of common shares and warrants in financing	$ 1,000	2,367,000			2,368,000		2,368,000
Foreign currency translation				(5,000)	(5,000)		(5,000)
Net loss			(2,283,000)		(2,283,000)	(487,000)	(2,770,000)
Fair value of subsidiary common stock issued in acquisition		2,528,000			2,528,000		$ 2,528,000
Exercise of stock options (in shares)	5,333						5,333
Exercise of stock options		15,000			15,000		$ 15,000
Balance (in shares) at Dec. 31, 2017	10,872,428
Balance at Dec. 31, 2017	$ 11,000	$ 221,371,000	$ (187,640,000)	$ (43,000)	$ 33,699,000	$ (487,000)	$ 33,212,000