Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 1,837	$ 2,268
Contract and other receivables, net	1,975	990
Costs and estimated earnings in excess of billings on uncompleted contracts	193	223
Inventories, net	94	134
Prepaid expenses and other current assets	115	114
Total current assets	4,214	3,729
Property and equipment, net	385	418
Goodwill	1,907	1,907
Intangible assets, net	525	561
Other assets	112	112
Total assets	7,143	6,727
Current Liabilities:
Accounts payable and accrued expenses	2,647	2,841
Deferred revenues	2,801	2,494
Total current liabilities	5,448	5,335
Long-term borrowings	1,702	1,656
Deferred revenue - noncurrent portion	122
Other liabilities	46	41
Total liabilities	7,318	7,032
Commitments and Contingencies
Stockholders’ Equity (Deficit):
Preferred stock, $.0001 par value; 1,000 shares authorized at March 31, 2018 and December 31, 2017; none issued
Common stock, $.0001 par value; 49,000 shares authorized at March 31, 2018 and December 31, 2017; 16,286 and 16,316 issued; 15,517 and 15,547 outstanding at March 31, 2018 and December 31, 2017, respectively	2	2
Additional paid-in capital	68,935	68,886
Treasury stock 769 shares at cost at March 31, 2018 and December 31, 2017	(1,536)	(1,536)
Accumulated deficit	(67,576)	(67,657)
Total stockholders' equity (deficit)	(175)	(305)
Total liabilities and stockholders’ equity (deficit)	$ 7,143	$ 6,727

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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.