Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net loss	$ (7,499,000)	$ (2,592,000)	$ (4,040,000)
Adjustments to reconcile net loss to cash used in operating activities:
Inventory reserve	2,066,000	134,000	30,000
Stock based compensation	1,118,000	1,154,000	1,188,000
Depreciation and amortization	2,171,000	2,186,000	2,367,000
Bad debt reserve	482,000	432,000	275,000
Deferred rent expense	(13,000)	16,000	128,000
Deferred income taxes	(63,000)	(662,000)	(390,000)
Proceeds from sale of New Jersey net operating loss carryforward	662,000	390,000
Issuance of warrants to customer	0	0	137,000
Changes in:
Restricted cash	0	0	(300,000)
Accounts receivable	(1,186,000)	(1,299,000)	(1,240,000)
Financing receivables	(354,000)	(8,639,000)	(4,126,000)
Inventory	290,000	468,000	(849,000)
Prepaid expenses and other assets	119,000	1,149,000	(963,000)
Deferred costs	58,000	(1,165,000)	271,000
Deferred revenue	621,000	3,136,000	622,000
Accounts payable and accrued expenses	385,000	(3,844,000)	293,000
Net cash used in operating activities	(1,143,000)	(9,136,000)	(6,597,000)
Cash flows from investing activities:
Purchases of fixed assets including website development costs	(538,000)	(326,000)	(434,000)
Purchases of investments	(3,841,000)	(5,478,000)	(7,196,000)
Maturities of investments	10,427,000	8,399,000	4,434,000
Net cash (used in) provided by investing activities	6,048,000	2,595,000	(3,196,000)
Cash flows from financing activities:
Proceeds from sale of stock to Avis	0	0	4,605,000
Principal payments of capital lease obligation	(12,000)
Proceeds from exercise of stock options	203,000	117,000	35,000
Purchase of treasury shares	0	(193,000)	(1,050,000)
Net cash provided by (used in) financing activities	191,000	(76,000)	3,590,000
Effect of foreign exchange rate changes on cash and cash equivalents	(128,000)	(155,000)	98,000
Net (decrease) increase in cash and cash equivalents	4,968,000	(6,772,000)	(6,105,000)
Cash and cash equivalents - beginning of period	1,614,000	8,386,000	14,491,000
Cash and cash equivalents - end of period	6,582,000	1,614,000	8,386,000
Supplemental disclosure of cash flow information:
Interest	0	0	0
Non-cash investing and financing activities include:
Shares withheld pursuant to stock issuance	265,000	260,000	47,000
Unrealized (loss) gain on investments	(82,000)	96,000	(8,000)
Fixed assets acquired by capital lease	$ 305,000	$ 0	$ 0