Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 6,582,000	$ 1,614,000
Restricted cash	300,000	300,000
Investments - short term	4,090,000	4,794,000
Accounts receivable, net of allowance for doubtful accounts of $653,000 and $955,000 in 2012 and 2013, respectively	9,574,000	8,814,000
Financing receivables - current, net of allowance for doubtful accounts of $-0- in 2012 and 2013	4,051,000	3,143,000
Inventory, net	5,156,000	7,512,000
Deferred costs - current	2,112,000	2,380,000
Prepaid expenses and other current assets	909,000	1,043,000
Deferred tax asset - current	63,000	662,000
Total current assets	32,837,000	30,262,000
Investments - long term	3,100,000	9,064,000
Financing receivables - less current portion	10,255,000	10,814,000
Deferred costs - less current portion	2,861,000	2,651,000
Fixed assets, net	2,239,000	2,401,000
Goodwill	1,837,000	1,837,000
Intangible assets, net	2,064,000	3,230,000
Other assets	322,000	307,000
Assets, Total	55,515,000	60,566,000
Current liabilities:
Accounts payable and accrued expenses	6,264,000	5,638,000
Capital lease obligation - current	144,000
Deferred revenue - current	4,641,000	4,689,000
Total current liabilities	11,049,000	10,327,000
Capital lease obligation - less current portion	149,000	0
Deferred rent	330,000	343,000
Deferred revenue - less current portion	6,538,000	5,869,000
Liabilities, Total	18,066,000	16,539,000
Commitments and Contingencies (Note 20)
STOCKHOLDERS' EQUITY
Preferred stock; authorized 5,000,000 shares, $0.01 par value; none issued	0	0
Common stock; authorized 50,000,000 shares, $0.01 par value; 12,678,000 and 12,835,000 shares issued at December 31, 2012 and 2013, respectively; shares outstanding, 12,088,000 and 12,196,000 at December 31, 2012 and 2013, respectively	123,000	122,000
Additional paid-in capital	104,479,000	103,135,000
Accumulated deficit	(63,601,000)	(56,102,000)
Accumulated other comprehensive income (loss)	(106,000)	53,000
Treasury stock; 590,000 and 639,000 common shares at cost at December 31, 2012 and 2013, respectively	(3,446,000)	(3,181,000)
Total stockholders' equity	37,449,000	44,027,000
Total liabilities and stockholders' equity	$ 55,515,000	$ 60,566,000