CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 7,677	$ 2,981
Accounts receivable, net of allowance for uncollectible accounts of $413 in 2020 and $338 in 2019	22,036	22,345
Unbilled receivables	10,098	10,007
Prepaid and other current assets	1,346	1,597
Total current assets	41,157	36,930
Equipment, enterprise software, and leasehold improvements, at cost:
Equipment	1,931	1,871
Enterprise software	2,730	2,728
Leasehold improvements	563	496
Total equipment, enterprise software, and leasehold improvements	5,224	5,095
Less – accumulated depreciation and amortization	(3,253)	(2,619)
Net equipment, enterprise software, and leasehold improvements	1,971	2,476
Operating lease right-of-use assets	3,286	4,617
Deferred income taxes	796
Non-current deposits	396	405
Goodwill, net of impairment	32,510	26,106
Intangible assets, net of amortization	21,930	20,050
Total assets	102,046	90,584
Current liabilities:
Current portion of long-term debt	4,400	4,575
Accounts payable	2,589	4,027
Accrued payroll and related costs	12,374	7,902
Current portion of operating lease liability	1,079	1,396
Other accrued liabilities	1,051	954
Deferred revenue	478	237
Total current liabilities	21,971	19,091
Long-term liabilities:
Long-term debt, less current portion, net	12,875	20,682
Contingent consideration liability	2,882	0
Long-term operating lease liability, less current portion	2,325	3,321
Long-term accrued income taxes	165	185
Deferred income taxes		1,025
Long-term payroll tax liabilities	2,295
Total liabilities	42,513	44,304
Commitments and contingent liabilities (Note 9)
Shareholders' equity:
Preferred Stock, no par value; 20,000,000 shares authorized; none outstanding
Common Stock, par value $.01; 250,000,000 shares authorized and 13,039,893 shares issued as of December 31, 2020 and 12,700,660 shares issued as of December 31, 2019	130	127
Additional paid-in-capital	25,509	21,939
Retained earnings	38,620	28,759
Accumulated other comprehensive income (loss)	(539)	(358)
Treasury stock, at cost; 1,646,420 shares as of December 31, 2020 and as of December 31, 2019	(4,187)	(4,187)
Total shareholders' equity	59,533	46,280
Total liabilities and shareholders' equity	$ 102,046	$ 90,584

Accrued Payroll Taxes Noncurrent.

No definition available.

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Namespace Prefix:	mhh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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).