Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES:
Net income (loss)	$ (1,322)	$ 17,116
Income from discontinued operations		(18,723)
Loss from continuing operations	(1,322)	(1,607)
Adjustments to reconcile net loss from continuing operations to net cash used for operating activities:
Depreciation and amortization	111	86
Stock-based compensation expense	10	8
Non-cash investment expense	750
Equity in loss of affiliate company	19	20
Changes in operating assets and liabilities:
Accounts receivable	431	(41)
Other current assets	(603)	105
Other long-term assets	(59)	15
Accounts payable	44	(20)
Accrued payroll	153	13
Deferred revenue, current portion	327	289
Accrued expenses	3	4
Other current liabilities	36	(37)
Deferred revenue, net of current portion	(64)	(4)
Other long-term liabilities		(18)
Net cash used for operating activities	(164)	(1,187)
INVESTING ACTIVITIES:
Purchases of property and equipment	(125)	(217)
Proceeds from sale of long-term investment	2,248
Purchase of long-term investment		(80)
Net cash provided by (used for) investing activities	2,123	(297)
FINANCING ACTIVITIES:
Distribution of dividend to stockholders	(3,056)
Sale of capital stock pursuant to exercise of option		8
Repurchase of capital stock pursuant to tender offer		(692)
Net cash used for financing activities	(3,056)	(684)
Net cash provided by (used for) operating activities from discontinued operations	(120)	(204)
Net cash provided by (used for) investing activities from discontinued operations		18,202
Net cash provided by (used for) discontinued operations	(120)	17,998
Effects of exchange rate changes on cash	1	(6)
Net increase (decrease) in cash	(1,216)	15,824
Cash at beginning of period	18,059	2,624
Cash at end of period	16,843	18,448
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for income taxes	$ 120