CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 57,547	$ 35,474
Short-term investments	7,967	6,870
Receivable from sale of Content Delivery business held in escrow	1,450	0
Receivable from sale of Real-Time business held in escrow	2,000	2,000
Prepaid expenses and other current assets	786	915
Current assets of discontinued operations	0	9,665
Total current assets	69,750	54,924
Property and equipment, net	1	2
Deferred income taxes, net	1,138	15
Other long-term assets, net	707	544
Noncurrent assets of discontinued operations	0	2,322
Total assets	71,596	57,807
Current liabilities:
Accounts payable and accrued expenses	4,829	4,521
Current liabilities of discontinued operations	0	5,097
Total current liabilities	4,829	9,618
Long-term liabilities:
Pension liability	3,813	3,582
Other long-term liabilities	837	866
Noncurrent liabilities of discontinued operations	0	272
Total liabilities	9,479	14,338
Commitments and contingencies (Note 12)
Stockholders’ equity:
Shares of common stock, par value $.01; 14,000,000 authorized; 9,936,891 and 9,410,878 issued and outstanding at December 31, 2017 and June 30, 2017, respectively	99	94
Capital in excess of par value	214,230	212,018
Accumulated deficit	(148,990)	(165,498)
Treasury stock, at cost; 37,788 shares	(255)	(255)
Accumulated other comprehensive loss	(2,967)	(2,890)
Total stockholders’ equity	62,117	43,469
Total liabilities and stockholders’ equity	71,596	57,807
Series Preferred Stock [Member]
Stockholders’ equity:
Shares of preferred stock	0	0
Preferred Class A [Member]
Stockholders’ equity:
Shares of preferred stock	$ 0	$ 0