Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 4,231,000	$ 4,489,000
Restricted cash	304,000	304,000
Investments - short term	347,000	259,000
Accounts receivable, net of allowance for doubtful accounts of $1,512,000 and $858,000 in 2015 and 2016, respectively	10,213,000	10,901,000
Financing receivables - current, net of allowance for doubtful accounts of $-0- in 2015 and 2016	2,021,000	1,950,000
Inventory, net	5,403,000	7,152,000
Deferred costs - current	3,132,000	3,310,000
Prepaid expenses and other current assets	2,426,000	2,263,000
Total current assets	28,077,000	30,628,000
Investments - long term	1,259,000	1,339,000
Financing receivables - less current portion	2,935,000	3,078,000
Deferred costs - less current portion	4,944,000	3,320,000
Fixed assets, net	3,111,000	3,119,000
Goodwill	1,837,000	1,837,000
Intangible assets, net	774,000	842,000
Other assets	229,000	265,000
Total assets	43,166,000	44,428,000
Current liabilities:
Accounts payable and accrued expenses	7,760,000	9,173,000
Deferred revenue - current	6,996,000	7,383,000
Total current liabilities	14,756,000	16,556,000
Deferred rent	395,000	361,000
Deferred revenue - less current portion	8,560,000	6,941,000
Total liabilities	23,711,000	23,858,000
STOCKHOLDERS' EQUITY
Preferred stock; authorized 5,000,000 shares, $0.01 par value; none issued
Common stock; authorized 50,000,000 shares, $0.01 par value; 14,211,000 and 14,586,000 shares issued at December 31, 2015 and June 30, 2016, respectively; shares outstanding, 13,467,000 and 13,807,000 at December 31, 2015 and June 30, 2016, respectively	129,000	129,000
Additional paid-in capital	111,162,000	110,116,000
Accumulated deficit	(87,323,000)	(85,128,000)
Accumulated other comprehensive loss	(303,000)	(500,000)
Treasury stock; 744,000 and 779,000 common shares at cost at December 31, 2015 and June 30, 2016, respectively	(4,210,000)	(4,047,000)
Total stockholders' equity	19,455,000	20,570,000
Total liabilities and stockholders' equity	$ 43,166,000	$ 44,428,000

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.