Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 6,113	$ 5,686
Accounts receivable, net of allowances of $493 and $376, respectively	1,765	928
Site equipment to be installed	2,568	2,998
Prepaid expenses and other current assets	1,189	1,050
Total current assets	11,635	10,662
Fixed assets, net	2,910	3,101
Software development costs, net of accumulated amortization of $2,697 and $2,641, respectively	1,065	970
Deferred costs	851	904
Goodwill	946	937
Intangible assets, net	17	29
Other assets	110	92
Total assets	17,534	16,695
Current Liabilities:
Accounts payable	513	247
Accrued compensation	519	1,060
Accrued expenses	561	697
Sales taxes payable	101	142
Income taxes payable	(17)	4
Current portion of long-term debt (Note 4)	7,306	2,988
Current portion of obligations under capital leases	155	155
Current portion of deferred revenue	1,037	1,059
Other current liabilities	347	291
Total current liabilities	10,522	6,643
Long-term debt (Note 4)	446	5,123
Long-term obligations under capital leases	220	259
Long-term deferred revenue	179	219
Deferred rent	326	371
Other liabilities	13	12
Total liabilities	11,706	12,627
Commitments and contingencies
Shareholders' Equity:
Series A convertible preferred stock, $.005 par value, $156 liquidation preference, 5,000 shares designated 156 shares issued and outstanding at March 31, 2017 and December 31, 2016	1	1
Common stock, $.005 par value, 168,000 shares authorized at March 31, 2017 and December 31, 2016; 2,484 and 2,261 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively (Note 3)	12	11
Treasury stock, at cost, 10 shares at March 31, 2017 and December 31, 2016	(456)	(456)
Additional paid-in capital	134,149	132,315
Accumulated deficit	(128,116)	(128,026)
Accumulated other comprehensive income	238	223
Total shareholders' equity	5,828	4,068
Total liabilities and shareholders' equity	$ 17,534	$ 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.