Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from (used in) operating activities
Net income	$ 51	$ 1,049
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	157	177
Realized gain on sale of available-for-sale securities	0	(1,449)
Deferred income taxes	(21)	(11)
Stock-based compensation expense	48	31
Change in contingent earn-out fair value	(72)	(17)
Other	(15)	(4)
Change in:
Trade receivables	(346)	(268)
Inventories	47	(234)
Current assets, other	40	33
Accounts payable	42	151
Accrued expenses	2	40
Accrued income taxes	47	198
Net cash used in operating activities	(20)	(304)
Cash flows from (used in) investing activities
Proceeds from sale of available-for-sale securities	0	1,467
Purchases of treasury bills	(3,440)	(5,641)
Proceeds from the maturity of treasury bills	3,843	6,043
Purchase of property and equipment	(2)	(15)
Net cash from investing activities	401	1,854
Cash flows used in financing activities
Payments on long-term debt	(390)	(381)
Net cash used in financing activities	(390)	(381)
Net increase (decrease) in cash and cash equivalents	(9)	1,169
Cash and cash equivalents, beginning	569	1,190
Cash and cash equivalents, ending	560	2,359
Supplemental cash flow information
Cash paid for income taxes	5	377
Cash paid for interest	$ 10	$ 19