Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 4,243,000	$ 1,614,000	[1]
Restricted cash	300,000	300,000	[1]
Investments - short term	3,246,000	4,794,000	[1]
Accounts receivable, net of allowance for doubtful accounts of $653,000 and $757,000 in 2012 and 2013, respectively	9,463,000	8,814,000	[1]
Financing receivables - current, net of allowance for doubtful accounts of $-0- in 2012 and 2013	4,016,000	3,143,000	[1]
Inventory, net	7,574,000	7,512,000	[1]
Deferred costs - current	1,937,000	2,380,000	[1]
Prepaid expenses and other current assets	1,168,000	1,043,000	[1]
Deferred tax asset - current	0	662,000	[1]
Total current assets	31,947,000	30,262,000	[1]
Investments - long term	5,818,000	9,064,000	[1]
Financing receivables - less current portion	10,807,000	10,814,000	[1]
Deferred costs - less current portion	3,189,000	2,651,000	[1]
Fixed assets, net	2,427,000	2,401,000	[1]
Goodwill	1,837,000	1,837,000	[1]
Intangible assets, net	2,411,000	3,230,000	[1]
Other assets	322,000	307,000	[1]
Assets, Total	58,758,000	60,566,000	[1]
LIABILITIES
Accounts payable and accrued expenses	6,285,000	5,638,000	[1]
Capital lease obligation - current	143,000	0	[1]
Deferred revenue - current	4,470,000	4,689,000	[1]
Total current liabilities	10,898,000	10,327,000	[1]
Capital lease obligation - less current portion	162,000	0	[1]
Deferred rent	333,000	343,000	[1]
Deferred revenue - less current portion	7,073,000	5,869,000	[1]
Liabilities, Total	18,466,000	16,539,000	[1]
Commitments and Contingencies (Note 22)			[1]
STOCKHOLDERS' EQUITY
Preferred stock; authorized 5,000,000 shares, $0.01 par value; none issued	0	0	[1]
Common stock; authorized 50,000,000 shares, $0.01 par value; 12,678,000 and 12,831,000 shares issued at December 31, 2012 and September 30, 2013, respectively; shares outstanding, 12,088,000 and 12,195,000 at December 31, 2012 and September 30, 2013, respectively	122,000	122,000	[1]
Additional paid-in capital	104,196,000	103,135,000	[1]
Accumulated deficit	(60,507,000)	(56,102,000)	[1]
Accumulated other comprehensive income (loss)	(93,000)	53,000	[1]
Treasury stock; 590,000 shares and 636,000 shares at cost at December 31, 2012 and September 30, 2013, respectively	(3,426,000)	(3,181,000)	[1]
Total stockholders' equity	40,292,000	44,027,000	[1]
Total liabilities and stockholders' equity	$ 58,758,000	$ 60,566,000	[1]

[1] Derived from audited balance sheet as of December 31, 2012