Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from (used in) operating activities
Net income	$ 1,049	$ 602
Adjustments to reconcile net income to net cash from (used in) operating activities:
Depreciation and amortization	177	67
Realized gain on sale of available-for-sale securities	(1,449)	(750)
Deferred income taxes	(11)	(20)
Stock-based compensation expense	31	36
Gain on contingent earn-out	(17)	0
Other	(4)	(1)
Change in, net of acquisition:
Trade receivables	(268)	(71)
Inventories	(234)	(63)
Current assets, other	33	29
Accounts payable	151	102
Accrued expenses	40	62
Accrued income taxes	198	97
Net cash from (used in) operating activities	(304)	90
Cash flows from (used in) investing activities
Proceeds from sale of available-for-sale securities	1,467	759
Purchases of treasury bills	(5,641)	(5,333)
Proceeds from the maturity of treasury bills	6,043	4,228
Cash paid for acquisition	0	(400)
Purchase of property and equipment	(15)	(16)
Net cash from (used in) investing activities	1,854	(762)
Cash flows from (used in) financing activities
Proceeds from issuance of common stock	0	4
Payments on long-term debt	(381)	0
Net cash from (used in) financing activities	(381)	4
Net increase (decrease) in cash and cash equivalents	1,169	(668)
Cash and cash equivalents, beginning	1,190	1,505
Cash and cash equivalents, ending	2,359	837
Supplemental cash flow information
Cash paid for income taxes	377	252
Cash paid for interest	19	0
Supplemental disclosures of non-cash investment and financing activities
Note payable issued to fund acquisition, net of discount	0	771
Contingent consideration liability recorded in connection with the acquisition	$ 0	$ 472