Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 5,686	$ 3,223
Accounts receivable, net of allowances of $376 and $266, respectively	928	919
Site equipment to be installed	2,998	3,990
Prepaid expenses and other current assets	1,050	978
Total current assets	10,662	9,110
Fixed assets, net (Note 3)	3,101	3,915
Software development costs, net of accumulated amortization of $2,641 and $2,381, respectively	970	943
Deferred costs	904	1,328
Goodwill (Note 4)	937	909
Intangible assets, net (Note 4)	29	79
Other assets	92	124
Total assets	16,695	16,408
Current Liabilities:
Accounts payable	247	211
Accrued compensation (Note 6)	1,060	1,024
Accrued expenses	697	670
Sales taxes payable	142	192
Income taxes payable	4	22
Current portion of long-term debt (Note 11)	2,988	1,072
Current portion of obligations under capital leases (Note 12)	155	78
Current portion of deferred revenue	1,059	1,214
Other current liabilities	291	639
Total current liabilities	6,643	5,122
Long-term debt (Note 11)	5,123	6,366
Long-term obligations under capital leases (Note 12)	259	138
Long-term deferred revenue	219	393
Deferred rent	371	541
Other liabilities	12	0
Total liabilities	12,627	12,560
Shareholders' Equity:
Series A 10% cumulative convertible preferred stock, $.005 par value, $156 liquidation preference, 5,000 shares authorized; 156 shares issued and outstanding at December 31, 2016 and 2015	1	1
Common stock, $.005 par value, 168,000 shares authorized at December 31, 2016 and 2015; 2,261 and 1,849 shares issued and outstanding at December 31, 2016 and 2015, respectively (Note 9)	11	9
Treasury stock, at cost, 10 shares at December 31, 2016 and 2015	(456)	(456)
Additional paid-in capital	132,315	129,209
Accumulated deficit	(128,026)	(125,087)
Accumulated other comprehensive income (Note 14)	223	172
Total shareholders' equity	4,068	3,848
Total liabilities and shareholders' equity	$ 16,695	$ 16,408

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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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.