Consolidated Balance Sheets - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 20,397,000	$ 7,992,000
Contract and other receivables, net	2,745,000	1,846,000
Costs and estimated earnings in excess of billings on uncompleted contracts	231,000	573,000
Inventories, net	862,000	847,000
Prepaid expenses and other current assets	175,000	550,000
Total current assets	24,410,000	11,808,000
Property and equipment, net	587,000	281,000
Lease right-of-use asset	4,717,000	5,566,000
Goodwill	780,000	780,000
Other intangible assets, net	35,000	126,000
Other assets	877,000	720,000
Total assets	31,406,000	19,281,000
Current Liabilities:
Accounts payable and accrued expenses	21,616,000	7,016,000
Deferred revenues	2,080,000	2,435,000
Current portion of lease liabilities	467,000	644,000
Current portion of long-term borrowings	0	2,023,000
Total current liabilities	24,163,000	12,118,000
Non-current portion of lease liabilities	4,309,000	4,938,000
Non-current portion of deferred revenues	0	22,000
Total liabilities	28,472,000	17,078,000
Commitments and Contingencies
Stockholders’ Equity:
Preferred stock, $.0001 par value, 1,000 shares authorized; none issued	0	0
Common stock, $.0001 par value, 49,000 shares authorized; 23,197 and 20,286 issued; 21,540 and 18,862 outstanding at December 31, 2022 and 2021, respectively	2,000	2,000
Additional paid-in capital	71,522,000	70,584,000
Treasury stock 1,657 and 1,424 shares at cost at December 31, 2022 and, 2021, respectively	(2,205,000)	(2,071,000)
Accumulated deficit	(66,385,000)	(66,312,000)
Total stockholders' equity	2,934,000	2,203,000
Total liabilities and stockholders’ equity	$ 31,406,000	$ 19,281,000

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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- Definition

Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.