Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net loss	$ (2,361)	$ (5,709)	$ (6,055)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Loss on impairment	933	672
Depreciation	660	637	589
Stock-based compensation and payments	201	200	426
Settlement of acquisition obligations	(892)		56
Provision for doubtful accounts receivable	(24)	147	115
Amortization of intangible assets	228	419	649
Amortization of discounts on long-term borrowings and acquisition related liabilities	443	236	574
Amortization of loan origination fees	159	113
Change in estimate of contingent liabilities	12	(102)	(411)
Gain on sale of discontinued operations	(3,915)
(Gain) loss on disposal of property and equipment	6	(3)	(11)
Changes in assets and liabilities:
Accounts receivable, inventories, and other assets	(808)	(3,158)	3,411
Accounts payable and accrued liabilities	(1,477)	(107)	(1,976)
Deferred revenue	(380)	(311)	16
Total adjustments	(4,854)	(1,257)	3,438
Net cash used in operating activities	(7,215)	(6,966)	(2,617)
Cash flows from investing activities:
Net proceeds from the sale of discontinued operations	4,816
Proceeds from the sale of property and equipment		3	19
Acquisition of property and equipment	(213)	(332)	(256)
Net cash provided by (used in) investing activities	4,603	(329)	(237)
Cash flows from financing activities:
Proceeds from issuances of common stock, net		4,801	408
Proceeds from exercise of stock options and purchases through the employee stock purchase plan	48	25	53
Proceeds from other borrowings	6,124	1,500	605
Payments on other borrowings	(304)	(886)	(892)
Net (payments) proceeds on credit line borrowings	(1,590)	889	701
Net cash provided by financing activities	4,278	6,329	875
Effect of exchange rate changes on cash	13	11	8
Net increase (decrease) in cash and cash equivalents	1,679	(955)	(1,971)
Cash and cash equivalents at beginning of year	1,181	2,136	4,107
Cash and cash equivalents at end of period	2,860	1,181	2,136
Classification of cash and cash equivalents:
Cash and cash equivalents	2,266	929	2,117
Restricted cash held	94	252	19
Cash held in escrow	500
Supplemental Information
Interest paid	482	186	328
Non-cash investing and financing activities:
Fully depreciated assets disposed of	2,670	2	1,050
Conversion of subordinated convertible debt	$ 1,500