Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 12,538	$ 15,407
Receivables net of allowances of $311 and $24, respectively	8,508	4,863
Prepaid expenses	4,440	4,582
Other current assets	296	235
Total current assets	25,782	25,087
Equipment and leasehold improvements, net of accumulated depreciation and amortization of $19,748 and $14,805, respectively	9,576	8,523
Goodwill	972	972
Intangibles assets, net of amortization of $3,820 and $3,351, respectively	3,201	3,353
Other long-term assets (includes $4,210 in restricted cash at December 31, 2016)	6,033	2,467
Total assets	45,564	40,402
Current Liabilities:
Short-term debt	738
Accounts payable	1,835	1,223
Accrued compensation and related costs	2,302	2,761
Unearned revenue	4,911	6,378
Capital leases	1,982	1,819
Other current liabilities	3,374	1,796
Total current liabilities	15,142	13,977
Long-term debt	20,839
Long-term unearned revenue	757	1,597
Long-term capital leases	1,602	1,614
Other long-term liabilities	5,945	5,689
Total liabilities	44,285	22,877
Series B convertible preferred stock, $0.01 par value; 5,000,000 shares authorized and designated; 1,637,948 and 1,644,768 shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively, with a liquidation preference of $10,985 and $10,443 at December 31, 2016 and December 31, 2015, respectively	8,354	8,388
Stockholders’ Equity:
Preferred stock, $0.01 par value; 35,000,000 shares authorized; none issued and outstanding
Common stock, $0.01 par value; 50,000,000 shares authorized; 27,511,361 and 27,636,853 shares issued at December 31, 2016 and December 31, 2015, respectively; and 26,622,706 and 25,849,876 outstanding at December 31, 2016 and December 31, 2015, respectively	275	276
Additional paid-in capital	264,214	264,212
Accumulated deficit	(263,062)	(242,085)
Treasury stock, at cost, 888,655 and 1,786,977 shares at December 31, 2016 and December 31, 2015, respectively	(4,455)	(9,239)
Accumulated other comprehensive loss	(4,047)	(4,027)
Total stockholders’ (deficit) equity	(7,075)	9,137
Total liabilities and stockholders’ equity	$ 45,564	$ 40,402

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.