Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 31,888	$ 28,290
Accounts receivable:
Trade, net of allowance of $546 and $650, respectively	127,232	142,946
Retainage	19,792	21,360
Inventories	17,006	16,923
Costs and estimated earnings in excess of billings	13,912	13,438
Prepaid expenses and other current assets	10,752	8,795
Total current assets	220,582	231,752
Property and equipment, net	24,764	24,643
Goodwill	46,738	46,693
Intangible assets, net	30,452	31,413
Deferred tax assets	52,113	86,211
Other non-current assets	6,017	3,782
Total assets	380,666	424,494
CURRENT LIABILITIES:
Accounts payable and accrued expenses	108,249	120,710
Billings in excess of costs and estimated earnings	27,411	29,918
Total current liabilities	135,660	150,628
LONG-TERM DEBT	29,452	29,434
OTHER NON-CURRENT LIABILITIES	4,718	4,457
Total liabilities	169,830	184,519
Noncontrolling interest	3,327	3,271
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value, 10,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $0.01 par value, 100,000,000 shares authorized; 22,049,529 shares issued and 21,338,745 and 21,336,975 outstanding, respectively	220	220
Treasury stock, at cost, 710,784 and 712,554 shares, respectively	(6,881)	(6,898)
Additional paid-in capital	197,312	196,955
Retained earnings	16,858	46,427
Total stockholders' equity	207,509	236,704
Total liabilities and stockholders' equity	$ 380,666	$ 424,494

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 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.