CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net loss	$ (2,132)	$ (2,421)
Adjustments to reconcile net loss to cash used in operating activities:
Share of loss (income) from investment in LLC, in excess of cash received of $10 in 2016 and $20 in 2015	284	(94)
Realized loss on sale of short-term investments	9
Depreciation and amortization	643	652
Change in liability for contingent consideration		(336)
Decrease in value of warrant	12	108
Equity based compensation, including issuance of stock to directors	229	446
Changes in other operating items:
Accounts receivable	35	10
Short-term investments		(3)
Deferred revenue	11	(12)
Officers retirement bonus liability	(144)	56
Prepaid income tax	37	(25)
Income taxes payable	37
Prepaid expenses and other current assets	66	15
Accounts payable and accrued expenses	(289)	(86)
Net cash used in operating activities	(1,202)	(1,690)
Cash flows from investing activities
Proceeds from sale of short-term investments	148
Investment in LLC		(333)
Additions to property and equipment	(73)	(19)
Net cash provided by (used in) investing activities	75	(352)
Cash flows from financing activities
Purchase of treasury stock	(340)
Payment of liability for contingent consideration		(236)
Repurchase of fully vested restricted stock units		(392)
Net cash used in financing activities	(340)	(628)
Net decrease in cash and cash equivalents	(1,467)	(2,670)
Cash and cash equivalents at the beginning of the year	8,493	11,163
Cash and cash equivalents at the end of the year	7,026	8,493
Supplemental disclosures of cash flow information
Income taxes	$ 3	$ 35