Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 4,464	$ 5,686
Accounts receivable, net of allowances of $585 and $376, respectively	627	928
Site equipment to be installed	4,654	2,998
Prepaid expenses and other current assets	1,000	1,050
Total current assets	10,745	10,662
Fixed assets, net	3,485	3,101
Software development costs, net of accumulated amortization of $2,578 and $2,641, respectively	1,365	970
Deferred costs	869	904
Goodwill	1,012	937
Intangible assets, net		29
Other assets	87	92
Total assets	17,563	16,695
Current Liabilities:
Accounts payable	579	247
Accrued compensation	417	1,060
Accrued expenses	711	697
Sales taxes payable	89	142
Income taxes payable	3	4
Current portion of long-term debt (Note 4)	5,162	2,988
Current portion of obligations under capital leases	156	155
Current portion of deferred revenue	3,714	1,059
Other current liabilities	106	291
Total current liabilities	10,937	6,643
Long-term debt (Note 4)	92	5,123
Long-term obligations under capital leases	142	259
Long-term deferred revenue	85	219
Deferred rent	231	371
Other liabilities	18	12
Total liabilities	11,505	12,627
Commitments and contingencies
Shareholders' Equity:
Series A convertible preferred stock, $.005 par value, 156 and 5,000 shares designated at September 30, 2017 and December 31, 2016, respectively; $156 liquidation preference and 156 shares issued and outstanding at September 30, 2017 and December 31, 2016,	1	1
Common stock, $.005 par value, 15,000 and 168,000 shares authorized at September 30, 2017 and December 31, 2016, respectively; 2,516 and 2,261 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	13	11
Treasury stock, at cost, 10 shares at September 30, 2017 and December 31, 2016	(456)	(456)
Additional paid-in capital	134,613	132,315
Accumulated deficit	(128,472)	(128,026)
Accumulated other comprehensive income	359	223
Total shareholders' equity	6,058	4,068
Total liabilities and shareholders' equity	$ 17,563	$ 16,695

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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.